1275392520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1709}}^1$

素因数の和:2420

約数の個数: 128

約数和(自身を含む): 4259952000

約数和(自身を除く): 2984559480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 691, 1080, 1382, 1709, 2073, 2764, 3418, 3455, 4146, 5127, 5528, 6219, 6836, 6910, 8292, 8545, 10254, 10365, 12438, 13672, 13820, 15381, 16584, 17090, 18657, 20508, 20730, 24876, 25635, 27640, 30762, 31095, 34180, 37314, 41016, 41460, 46143, 49752, 51270, 61524, 62190, 68360, 74628, 76905, 82920, 92286, 93285, 102540, 123048, 124380, 149256, 153810, 184572, 186570, 205080, 230715, 248760, 307620, 369144, 373140, 461430, 615240, 746280, 922860, 1180919, 1845720, 2361838, 3542757, 4723676, 5904595, 7085514, 9447352, 10628271, 11809190, 14171028, 17713785, 21256542, 23618380, 28342056, 31884813, 35427570, 42513084, 47236760, 53141355, 63769626, 70855140, 85026168, 106282710, 127539252, 141710280, 159424065, 212565420, 255078504, 318848130, 425130840, 637696260, 1275392520]

約数ペア:

[(1, 1275392520), (2, 637696260), (3, 425130840), (4, 318848130), (5, 255078504), (6, 212565420), (8, 159424065), (9, 141710280), (10, 127539252), (12, 106282710), (15, 85026168), (18, 70855140), (20, 63769626), (24, 53141355), (27, 47236760), (30, 42513084), (36, 35427570), (40, 31884813), (45, 28342056), (54, 23618380), (60, 21256542), (72, 17713785), (90, 14171028), (108, 11809190), (120, 10628271), (135, 9447352), (180, 7085514), (216, 5904595), (270, 4723676), (360, 3542757), (540, 2361838), (691, 1845720), (1080, 1180919), (1382, 922860), (1709, 746280), (2073, 615240), (2764, 461430), (3418, 373140), (3455, 369144), (4146, 307620), (5127, 248760), (5528, 230715), (6219, 205080), (6836, 186570), (6910, 184572), (8292, 153810), (8545, 149256), (10254, 124380), (10365, 123048), (12438, 102540), (13672, 93285), (13820, 92286), (15381, 82920), (16584, 76905), (17090, 74628), (18657, 68360), (20508, 62190), (20730, 61524), (24876, 51270), (25635, 49752), (27640, 46143), (30762, 41460), (31095, 41016), (34180, 37314)]