281384520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{75641}}^1$

素因数の和:75686

約数の個数: 64

約数和(自身を含む): 871395840

約数和(自身を除く): 590011320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 75641, 151282, 226923, 302564, 378205, 453846, 605128, 756410, 907692, 1134615, 1512820, 1815384, 2269230, 2344871, 3025640, 4538460, 4689742, 7034613, 9076920, 9379484, 11724355, 14069226, 18758968, 23448710, 28138452, 35173065, 46897420, 56276904, 70346130, 93794840, 140692260, 281384520]

約数ペア:

[(1, 281384520), (2, 140692260), (3, 93794840), (4, 70346130), (5, 56276904), (6, 46897420), (8, 35173065), (10, 28138452), (12, 23448710), (15, 18758968), (20, 14069226), (24, 11724355), (30, 9379484), (31, 9076920), (40, 7034613), (60, 4689742), (62, 4538460), (93, 3025640), (120, 2344871), (124, 2269230), (155, 1815384), (186, 1512820), (248, 1134615), (310, 907692), (372, 756410), (465, 605128), (620, 453846), (744, 378205), (930, 302564), (1240, 226923), (1860, 151282), (3720, 75641)]