12687420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211457}}^1$

素因数の和:211469

約数の個数: 24

約数和(自身を含む): 35524944

約数和(自身を除く): 22837524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211457, 422914, 634371, 845828, 1057285, 1268742, 2114570, 2537484, 3171855, 4229140, 6343710, 12687420]

約数ペア:

[(1, 12687420), (2, 6343710), (3, 4229140), (4, 3171855), (5, 2537484), (6, 2114570), (10, 1268742), (12, 1057285), (15, 845828), (20, 634371), (30, 422914), (60, 211457)]