90の約数表、約数一覧
90の約数表、約数一覧
1 | 1 × 90 = 90 |
---|---|
2 | 2 × 45 = 90 |
3 | 3 × 30 = 90 |
5 | 5 × 18 = 90 |
6 | 6 × 15 = 90 |
9 | 9 × 10 = 90 |
10 | 10 × 9 = 90 |
15 | 15 × 6 = 90 |
18 | 18 × 5 = 90 |
30 | 30 × 3 = 90 |
45 | 45 × 2 = 90 |
90 | 90 × 1 = 90 |
90の約数の個数
90の約数の個数は
12個