31381620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{929}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 88119360

約数和(自身を除く): 56737740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 563, 929, 1126, 1689, 1858, 2252, 2787, 2815, 3378, 3716, 4645, 5574, 5630, 6756, 8445, 9290, 11148, 11260, 13935, 16890, 18580, 27870, 33780, 55740, 523027, 1046054, 1569081, 2092108, 2615135, 3138162, 5230270, 6276324, 7845405, 10460540, 15690810, 31381620]

約数ペア:

[(1, 31381620), (2, 15690810), (3, 10460540), (4, 7845405), (5, 6276324), (6, 5230270), (10, 3138162), (12, 2615135), (15, 2092108), (20, 1569081), (30, 1046054), (60, 523027), (563, 55740), (929, 33780), (1126, 27870), (1689, 18580), (1858, 16890), (2252, 13935), (2787, 11260), (2815, 11148), (3378, 9290), (3716, 8445), (4645, 6756), (5574, 5630)]