65555220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25409}}^1$

素因数の和:25464

約数の個数: 48

約数和(自身を含む): 187830720

約数和(自身を除く): 122275500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25409, 50818, 76227, 101636, 127045, 152454, 254090, 304908, 381135, 508180, 762270, 1092587, 1524540, 2185174, 3277761, 4370348, 5462935, 6555522, 10925870, 13111044, 16388805, 21851740, 32777610, 65555220]

約数ペア:

[(1, 65555220), (2, 32777610), (3, 21851740), (4, 16388805), (5, 13111044), (6, 10925870), (10, 6555522), (12, 5462935), (15, 4370348), (20, 3277761), (30, 2185174), (43, 1524540), (60, 1092587), (86, 762270), (129, 508180), (172, 381135), (215, 304908), (258, 254090), (430, 152454), (516, 127045), (645, 101636), (860, 76227), (1290, 50818), (2580, 25409)]