27420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 76944

約数和(自身を除く): 49524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1371, 1828, 2285, 2742, 4570, 5484, 6855, 9140, 13710, 27420]

約数ペア:

[(1, 27420), (2, 13710), (3, 9140), (4, 6855), (5, 5484), (6, 4570), (10, 2742), (12, 2285), (15, 1828), (20, 1371), (30, 914), (60, 457)]