390650280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 1203724800

約数和(自身を除く): 813074520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 239, 257, 265, 318, 424, 478, 514, 530, 636, 717, 771, 795, 956, 1028, 1060, 1195, 1272, 1285, 1434, 1542, 1590, 1912, 2056, 2120, 2390, 2570, 2868, 3084, 3180, 3585, 3855, 4780, 5140, 5736, 6168, 6360, 7170, 7710, 9560, 10280, 12667, 13621, 14340, 15420, 25334, 27242, 28680, 30840, 38001, 40863, 50668, 54484, 61423, 63335, 68105, 76002, 81726, 101336, 108968, 122846, 126670, 136210, 152004, 163452, 184269, 190005, 204315, 245692, 253340, 272420, 304008, 307115, 326904, 368538, 380010, 408630, 491384, 506680, 544840, 614230, 737076, 760020, 817260, 921345, 1228460, 1474152, 1520040, 1634520, 1842690, 2456920, 3255419, 3685380, 6510838, 7370760, 9766257, 13021676, 16277095, 19532514, 26043352, 32554190, 39065028, 48831285, 65108380, 78130056, 97662570, 130216760, 195325140, 390650280]

約数ペア:

[(1, 390650280), (2, 195325140), (3, 130216760), (4, 97662570), (5, 78130056), (6, 65108380), (8, 48831285), (10, 39065028), (12, 32554190), (15, 26043352), (20, 19532514), (24, 16277095), (30, 13021676), (40, 9766257), (53, 7370760), (60, 6510838), (106, 3685380), (120, 3255419), (159, 2456920), (212, 1842690), (239, 1634520), (257, 1520040), (265, 1474152), (318, 1228460), (424, 921345), (478, 817260), (514, 760020), (530, 737076), (636, 614230), (717, 544840), (771, 506680), (795, 491384), (956, 408630), (1028, 380010), (1060, 368538), (1195, 326904), (1272, 307115), (1285, 304008), (1434, 272420), (1542, 253340), (1590, 245692), (1912, 204315), (2056, 190005), (2120, 184269), (2390, 163452), (2570, 152004), (2868, 136210), (3084, 126670), (3180, 122846), (3585, 108968), (3855, 101336), (4780, 81726), (5140, 76002), (5736, 68105), (6168, 63335), (6360, 61423), (7170, 54484), (7710, 50668), (9560, 40863), (10280, 38001), (12667, 30840), (13621, 28680), (14340, 27242), (15420, 25334)]