648620160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1198

約数の個数: 128

約数和(自身を含む): 2074680000

約数和(自身を除く): 1426059840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 499, 640, 677, 960, 998, 1354, 1497, 1920, 1996, 2031, 2495, 2708, 2994, 3385, 3992, 4062, 4990, 5416, 5988, 6770, 7485, 7984, 8124, 9980, 10155, 10832, 11976, 13540, 14970, 15968, 16248, 19960, 20310, 21664, 23952, 27080, 29940, 31936, 32496, 39920, 40620, 43328, 47904, 54160, 59880, 63872, 64992, 79840, 81240, 86656, 95808, 108320, 119760, 129984, 159680, 162480, 191616, 216640, 239520, 259968, 319360, 324960, 337823, 433280, 479040, 649920, 675646, 958080, 1013469, 1299840, 1351292, 1689115, 2026938, 2702584, 3378230, 4053876, 5067345, 5405168, 6756460, 8107752, 10134690, 10810336, 13512920, 16215504, 20269380, 21620672, 27025840, 32431008, 40538760, 43241344, 54051680, 64862016, 81077520, 108103360, 129724032, 162155040, 216206720, 324310080, 648620160]

約数ペア:

[(1, 648620160), (2, 324310080), (3, 216206720), (4, 162155040), (5, 129724032), (6, 108103360), (8, 81077520), (10, 64862016), (12, 54051680), (15, 43241344), (16, 40538760), (20, 32431008), (24, 27025840), (30, 21620672), (32, 20269380), (40, 16215504), (48, 13512920), (60, 10810336), (64, 10134690), (80, 8107752), (96, 6756460), (120, 5405168), (128, 5067345), (160, 4053876), (192, 3378230), (240, 2702584), (320, 2026938), (384, 1689115), (480, 1351292), (499, 1299840), (640, 1013469), (677, 958080), (960, 675646), (998, 649920), (1354, 479040), (1497, 433280), (1920, 337823), (1996, 324960), (2031, 319360), (2495, 259968), (2708, 239520), (2994, 216640), (3385, 191616), (3992, 162480), (4062, 159680), (4990, 129984), (5416, 119760), (5988, 108320), (6770, 95808), (7485, 86656), (7984, 81240), (8124, 79840), (9980, 64992), (10155, 63872), (10832, 59880), (11976, 54160), (13540, 47904), (14970, 43328), (15968, 40620), (16248, 39920), (19960, 32496), (20310, 31936), (21664, 29940), (23952, 27080)]