31221420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{520357}}^1$

素因数の和:520369

約数の個数: 24

約数和(自身を含む): 87420144

約数和(自身を除く): 56198724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 520357, 1040714, 1561071, 2081428, 2601785, 3122142, 5203570, 6244284, 7805355, 10407140, 15610710, 31221420]

約数ペア:

[(1, 31221420), (2, 15610710), (3, 10407140), (4, 7805355), (5, 6244284), (6, 5203570), (10, 3122142), (12, 2601785), (15, 2081428), (20, 1561071), (30, 1040714), (60, 520357)]