745680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 2499840

約数和(自身を除く): 1754160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 239, 240, 260, 312, 390, 478, 520, 624, 717, 780, 956, 1040, 1195, 1434, 1560, 1912, 2390, 2868, 3107, 3120, 3585, 3824, 4780, 5736, 6214, 7170, 9321, 9560, 11472, 12428, 14340, 15535, 18642, 19120, 24856, 28680, 31070, 37284, 46605, 49712, 57360, 62140, 74568, 93210, 124280, 149136, 186420, 248560, 372840, 745680]

約数ペア:

[(1, 745680), (2, 372840), (3, 248560), (4, 186420), (5, 149136), (6, 124280), (8, 93210), (10, 74568), (12, 62140), (13, 57360), (15, 49712), (16, 46605), (20, 37284), (24, 31070), (26, 28680), (30, 24856), (39, 19120), (40, 18642), (48, 15535), (52, 14340), (60, 12428), (65, 11472), (78, 9560), (80, 9321), (104, 7170), (120, 6214), (130, 5736), (156, 4780), (195, 3824), (208, 3585), (239, 3120), (240, 3107), (260, 2868), (312, 2390), (390, 1912), (478, 1560), (520, 1434), (624, 1195), (717, 1040), (780, 956)]