8122720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{3989}}^1$

素因数の和:4313

約数の個数: 128

約数和(自身を含む): 24820992000

約数和(自身を除く): 16698271080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 239, 284, 355, 426, 478, 568, 710, 717, 852, 956, 1065, 1195, 1420, 1434, 1704, 1912, 2130, 2390, 2840, 2868, 3585, 3989, 4260, 4780, 5736, 7170, 7978, 8520, 9560, 11967, 14340, 15956, 16969, 19945, 23934, 28680, 31912, 33938, 39890, 47868, 50907, 59835, 67876, 79780, 84845, 95736, 101814, 119670, 135752, 159560, 169690, 203628, 239340, 254535, 283219, 339380, 407256, 478680, 509070, 566438, 678760, 849657, 953371, 1018140, 1132876, 1416095, 1699314, 1906742, 2036280, 2265752, 2832190, 2860113, 3398628, 3813484, 4248285, 4766855, 5664380, 5720226, 6797256, 7626968, 8496570, 9533710, 11328760, 11440452, 14300565, 16993140, 19067420, 22880904, 28601130, 33986280, 38134840, 57202260, 67689341, 114404520, 135378682, 203068023, 270757364, 338446705, 406136046, 541514728, 676893410, 812272092, 1015340115, 1353786820, 1624544184, 2030680230, 2707573640, 4061360460, 8122720920]

約数ペア:

[(1, 8122720920), (2, 4061360460), (3, 2707573640), (4, 2030680230), (5, 1624544184), (6, 1353786820), (8, 1015340115), (10, 812272092), (12, 676893410), (15, 541514728), (20, 406136046), (24, 338446705), (30, 270757364), (40, 203068023), (60, 135378682), (71, 114404520), (120, 67689341), (142, 57202260), (213, 38134840), (239, 33986280), (284, 28601130), (355, 22880904), (426, 19067420), (478, 16993140), (568, 14300565), (710, 11440452), (717, 11328760), (852, 9533710), (956, 8496570), (1065, 7626968), (1195, 6797256), (1420, 5720226), (1434, 5664380), (1704, 4766855), (1912, 4248285), (2130, 3813484), (2390, 3398628), (2840, 2860113), (2868, 2832190), (3585, 2265752), (3989, 2036280), (4260, 1906742), (4780, 1699314), (5736, 1416095), (7170, 1132876), (7978, 1018140), (8520, 953371), (9560, 849657), (11967, 678760), (14340, 566438), (15956, 509070), (16969, 478680), (19945, 407256), (23934, 339380), (28680, 283219), (31912, 254535), (33938, 239340), (39890, 203628), (47868, 169690), (50907, 159560), (59835, 135752), (67876, 119670), (79780, 101814), (84845, 95736)]