15901240

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1201}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 35915760

約数和(自身を除く): 20014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1201, 1324, 1655, 2402, 2648, 3310, 4804, 6005, 6620, 9608, 12010, 13240, 24020, 48040, 397531, 795062, 1590124, 1987655, 3180248, 3975310, 7950620, 15901240]

約数ペア:

[(1, 15901240), (2, 7950620), (4, 3975310), (5, 3180248), (8, 1987655), (10, 1590124), (20, 795062), (40, 397531), (331, 48040), (662, 24020), (1201, 13240), (1324, 12010), (1655, 9608), (2402, 6620), (2648, 6005), (3310, 4804)]