15150620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 33116160

約数和(自身を除く): 17965540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 223, 316, 395, 430, 446, 790, 860, 892, 1115, 1580, 2230, 3397, 4460, 6794, 9589, 13588, 16985, 17617, 19178, 33970, 35234, 38356, 47945, 67940, 70468, 88085, 95890, 176170, 191780, 352340, 757531, 1515062, 3030124, 3787655, 7575310, 15150620]

約数ペア:

[(1, 15150620), (2, 7575310), (4, 3787655), (5, 3030124), (10, 1515062), (20, 757531), (43, 352340), (79, 191780), (86, 176170), (158, 95890), (172, 88085), (215, 70468), (223, 67940), (316, 47945), (395, 38356), (430, 35234), (446, 33970), (790, 19178), (860, 17617), (892, 16985), (1115, 13588), (1580, 9589), (2230, 6794), (3397, 4460)]