90729560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3851}}^1$

素因数の和:3912

約数の個数: 64

約数和(自身を含む): 221875200

約数和(自身を除く): 131145640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3851, 4712, 5890, 7702, 11780, 15404, 19255, 23560, 30808, 38510, 73169, 77020, 119381, 146338, 154040, 238762, 292676, 365845, 477524, 585352, 596905, 731690, 955048, 1193810, 1463380, 2268239, 2387620, 2926760, 4536478, 4775240, 9072956, 11341195, 18145912, 22682390, 45364780, 90729560]

約数ペア:

[(1, 90729560), (2, 45364780), (4, 22682390), (5, 18145912), (8, 11341195), (10, 9072956), (19, 4775240), (20, 4536478), (31, 2926760), (38, 2387620), (40, 2268239), (62, 1463380), (76, 1193810), (95, 955048), (124, 731690), (152, 596905), (155, 585352), (190, 477524), (248, 365845), (310, 292676), (380, 238762), (589, 154040), (620, 146338), (760, 119381), (1178, 77020), (1240, 73169), (2356, 38510), (2945, 30808), (3851, 23560), (4712, 19255), (5890, 15404), (7702, 11780)]