72985980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1216433}}^1$

素因数の和:1216445

約数の個数: 24

約数和(自身を含む): 204360912

約数和(自身を除く): 131374932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1216433, 2432866, 3649299, 4865732, 6082165, 7298598, 12164330, 14597196, 18246495, 24328660, 36492990, 72985980]

約数ペア:

[(1, 72985980), (2, 36492990), (3, 24328660), (4, 18246495), (5, 14597196), (6, 12164330), (10, 7298598), (12, 6082165), (15, 4865732), (20, 3649299), (30, 2432866), (60, 1216433)]