72742240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 179292960

約数和(自身を除く): 106550720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 97, 109, 160, 172, 194, 215, 218, 344, 388, 430, 436, 485, 545, 688, 776, 860, 872, 970, 1090, 1376, 1552, 1720, 1744, 1940, 2180, 3104, 3440, 3488, 3880, 4171, 4360, 4687, 6880, 7760, 8342, 8720, 9374, 10573, 15520, 16684, 17440, 18748, 20855, 21146, 23435, 33368, 37496, 41710, 42292, 46870, 52865, 66736, 74992, 83420, 84584, 93740, 105730, 133472, 149984, 166840, 169168, 187480, 211460, 333680, 338336, 374960, 422920, 454639, 667360, 749920, 845840, 909278, 1691680, 1818556, 2273195, 3637112, 4546390, 7274224, 9092780, 14548448, 18185560, 36371120, 72742240]

約数ペア:

[(1, 72742240), (2, 36371120), (4, 18185560), (5, 14548448), (8, 9092780), (10, 7274224), (16, 4546390), (20, 3637112), (32, 2273195), (40, 1818556), (43, 1691680), (80, 909278), (86, 845840), (97, 749920), (109, 667360), (160, 454639), (172, 422920), (194, 374960), (215, 338336), (218, 333680), (344, 211460), (388, 187480), (430, 169168), (436, 166840), (485, 149984), (545, 133472), (688, 105730), (776, 93740), (860, 84584), (872, 83420), (970, 74992), (1090, 66736), (1376, 52865), (1552, 46870), (1720, 42292), (1744, 41710), (1940, 37496), (2180, 33368), (3104, 23435), (3440, 21146), (3488, 20855), (3880, 18748), (4171, 17440), (4360, 16684), (4687, 15520), (6880, 10573), (7760, 9374), (8342, 8720)]