31220940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{520349}}^1$

素因数の和:520361

約数の個数: 24

約数和(自身を含む): 87418800

約数和(自身を除く): 56197860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 520349, 1040698, 1561047, 2081396, 2601745, 3122094, 5203490, 6244188, 7805235, 10406980, 15610470, 31220940]

約数ペア:

[(1, 31220940), (2, 15610470), (3, 10406980), (4, 7805235), (5, 6244188), (6, 5203490), (10, 3122094), (12, 2601745), (15, 2081396), (20, 1561047), (30, 1040698), (60, 520349)]