157888260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20399}}^1$

素因数の和:20457

約数の個数: 72

約数和(自身を含む): 490089600

約数和(自身を除く): 332201340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 20399, 40798, 61197, 81596, 101995, 122394, 183591, 203990, 244788, 305985, 367182, 407980, 611970, 734364, 877157, 917955, 1223940, 1754314, 1835910, 2631471, 3508628, 3671820, 4385785, 5262942, 7894413, 8771570, 10525884, 13157355, 15788826, 17543140, 26314710, 31577652, 39472065, 52629420, 78944130, 157888260]

約数ペア:

[(1, 157888260), (2, 78944130), (3, 52629420), (4, 39472065), (5, 31577652), (6, 26314710), (9, 17543140), (10, 15788826), (12, 13157355), (15, 10525884), (18, 8771570), (20, 7894413), (30, 5262942), (36, 4385785), (43, 3671820), (45, 3508628), (60, 2631471), (86, 1835910), (90, 1754314), (129, 1223940), (172, 917955), (180, 877157), (215, 734364), (258, 611970), (387, 407980), (430, 367182), (516, 305985), (645, 244788), (774, 203990), (860, 183591), (1290, 122394), (1548, 101995), (1935, 81596), (2580, 61197), (3870, 40798), (7740, 20399)]