約数、約数表、約数一覧、約数早見表
64までの約数表
| 数 | 約数 |
|---|---|
| 1 | 1 |
| 2 | 1 2 |
| 3 | 1 3 |
| 4 | 1 2 4 |
| 5 | 1 5 |
| 6 | 1 2 3 6 |
| 7 | 1 7 |
| 8 | 1 2 4 8 |
| 9 | 1 3 9 |
| 10 | 1 2 5 10 |
| 11 | 1 11 |
| 12 | 1 2 3 4 6 12 |
| 13 | 1 13 |
| 14 | 1 2 7 14 |
| 15 | 1 3 5 15 |
| 16 | 1 2 4 8 16 |
| 17 | 1 17 |
| 18 | 1 2 3 6 9 18 |
| 19 | 1 19 |
| 20 | 1 2 4 5 10 20 |
| 21 | 1 3 7 21 |
| 22 | 1 2 11 22 |
| 23 | 1 23 |
| 24 | 1 2 3 4 6 8 12 24 |
| 25 | 1 5 25 |
| 26 | 1 2 13 26 |
| 27 | 1 3 9 27 |
| 28 | 1 2 4 7 14 28 |
| 29 | 1 29 |
| 30 | 1 2 3 5 6 10 15 30 |
| 31 | 1 31 |
| 32 | 1 2 4 8 16 32 |
| 33 | 1 3 11 33 |
| 34 | 1 2 17 34 |
| 35 | 1 5 7 35 |
| 36 | 1 2 3 4 6 9 12 18 36 |
| 37 | 1 37 |
| 38 | 1 2 19 38 |
| 39 | 1 3 13 39 |
| 40 | 1 2 4 5 8 10 20 40 |
| 41 | 1 41 |
| 42 | 1 2 3 6 7 14 21 42 |
| 43 | 1 43 |
| 44 | 1 2 4 11 22 44 |
| 45 | 1 3 5 9 15 45 |
| 46 | 1 2 23 46 |
| 47 | 1 47 |
| 48 | 1 2 3 4 6 8 12 16 24 48 |
| 49 | 1 7 49 |
| 50 | 1 2 5 10 25 50 |
| 51 | 1 3 17 51 |
| 52 | 1 2 4 13 26 52 |
| 53 | 1 53 |
| 54 | 1 2 3 6 9 18 27 54 |
| 55 | 1 5 11 55 |
| 56 | 1 2 4 7 8 14 28 56 |
| 57 | 1 3 19 57 |
| 58 | 1 2 29 58 |
| 59 | 1 59 |
| 60 | 1 2 3 4 5 6 10 12 15 20 30 60 |
| 61 | 1 61 |
| 62 | 1 2 31 62 |
| 63 | 1 3 7 9 21 63 |
| 64 | 1 2 4 8 16 32 64 |