31310220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 87913728

約数和(自身を除く): 56603508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 631, 827, 1262, 1654, 1893, 2481, 2524, 3155, 3308, 3786, 4135, 4962, 6310, 7572, 8270, 9465, 9924, 12405, 12620, 16540, 18930, 24810, 37860, 49620, 521837, 1043674, 1565511, 2087348, 2609185, 3131022, 5218370, 6262044, 7827555, 10436740, 15655110, 31310220]

約数ペア:

[(1, 31310220), (2, 15655110), (3, 10436740), (4, 7827555), (5, 6262044), (6, 5218370), (10, 3131022), (12, 2609185), (15, 2087348), (20, 1565511), (30, 1043674), (60, 521837), (631, 49620), (827, 37860), (1262, 24810), (1654, 18930), (1893, 16540), (2481, 12620), (2524, 12405), (3155, 9924), (3308, 9465), (3786, 8270), (4135, 7572), (4962, 6310)]