724637360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 1725157440

約数和(自身を除く): 1000520080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 113, 142, 226, 284, 355, 452, 565, 568, 710, 904, 1129, 1130, 1136, 1420, 1808, 2258, 2260, 2840, 4516, 4520, 5645, 5680, 8023, 9032, 9040, 11290, 16046, 18064, 22580, 32092, 40115, 45160, 64184, 80159, 80230, 90320, 127577, 128368, 160318, 160460, 255154, 320636, 320920, 400795, 510308, 637885, 641272, 641840, 801590, 1020616, 1275770, 1282544, 1603180, 2041232, 2551540, 3206360, 5103080, 6412720, 9057967, 10206160, 18115934, 36231868, 45289835, 72463736, 90579670, 144927472, 181159340, 362318680, 724637360]

約数ペア:

[(1, 724637360), (2, 362318680), (4, 181159340), (5, 144927472), (8, 90579670), (10, 72463736), (16, 45289835), (20, 36231868), (40, 18115934), (71, 10206160), (80, 9057967), (113, 6412720), (142, 5103080), (226, 3206360), (284, 2551540), (355, 2041232), (452, 1603180), (565, 1282544), (568, 1275770), (710, 1020616), (904, 801590), (1129, 641840), (1130, 641272), (1136, 637885), (1420, 510308), (1808, 400795), (2258, 320920), (2260, 320636), (2840, 255154), (4516, 160460), (4520, 160318), (5645, 128368), (5680, 127577), (8023, 90320), (9032, 80230), (9040, 80159), (11290, 64184), (16046, 45160), (18064, 40115), (22580, 32092)]