1272656640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10691}}^1$

素因数の和:10746

約数の個数: 144

約数和(自身を含む): 4196054016

約数和(自身を除く): 2923397376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 10691, 11904, 14880, 19840, 21382, 23808, 29760, 32073, 39680, 42764, 53455, 59520, 64146, 85528, 106910, 119040, 128292, 160365, 171056, 213820, 256584, 320730, 331421, 342112, 427640, 513168, 641460, 662842, 684224, 855280, 994263, 1026336, 1282920, 1325684, 1368448, 1657105, 1710560, 1988526, 2052672, 2565840, 2651368, 2736896, 3314210, 3421120, 3977052, 4105344, 4971315, 5131680, 5302736, 6628420, 6842240, 7954104, 8210688, 9942630, 10263360, 10605472, 13256840, 13684480, 15908208, 19885260, 20526720, 21210944, 26513680, 31816416, 39770520, 41053440, 42421888, 53027360, 63632832, 79541040, 84843776, 106054720, 127265664, 159082080, 212109440, 254531328, 318164160, 424218880, 636328320, 1272656640]

約数ペア:

[(1, 1272656640), (2, 636328320), (3, 424218880), (4, 318164160), (5, 254531328), (6, 212109440), (8, 159082080), (10, 127265664), (12, 106054720), (15, 84843776), (16, 79541040), (20, 63632832), (24, 53027360), (30, 42421888), (31, 41053440), (32, 39770520), (40, 31816416), (48, 26513680), (60, 21210944), (62, 20526720), (64, 19885260), (80, 15908208), (93, 13684480), (96, 13256840), (120, 10605472), (124, 10263360), (128, 9942630), (155, 8210688), (160, 7954104), (186, 6842240), (192, 6628420), (240, 5302736), (248, 5131680), (256, 4971315), (310, 4105344), (320, 3977052), (372, 3421120), (384, 3314210), (465, 2736896), (480, 2651368), (496, 2565840), (620, 2052672), (640, 1988526), (744, 1710560), (768, 1657105), (930, 1368448), (960, 1325684), (992, 1282920), (1240, 1026336), (1280, 994263), (1488, 855280), (1860, 684224), (1920, 662842), (1984, 641460), (2480, 513168), (2976, 427640), (3720, 342112), (3840, 331421), (3968, 320730), (4960, 256584), (5952, 213820), (7440, 171056), (7936, 160365), (9920, 128292), (10691, 119040), (11904, 106910), (14880, 85528), (19840, 64146), (21382, 59520), (23808, 53455), (29760, 42764), (32073, 39680)]