644722104

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 1788272640

約数和(自身を除く): 1143550536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 127, 156, 159, 212, 254, 307, 312, 318, 381, 424, 508, 614, 636, 689, 762, 921, 1016, 1228, 1272, 1378, 1524, 1651, 1842, 2067, 2456, 2756, 3048, 3302, 3684, 3991, 4134, 4953, 5512, 6604, 6731, 7368, 7982, 8268, 9906, 11973, 13208, 13462, 15964, 16271, 16536, 19812, 20193, 23946, 26924, 31928, 32542, 38989, 39624, 40386, 47892, 48813, 53848, 65084, 77978, 80772, 87503, 95784, 97626, 116967, 130168, 155956, 161544, 175006, 195252, 211523, 233934, 262509, 311912, 350012, 390504, 423046, 467868, 506857, 525018, 634569, 700024, 846092, 935736, 1013714, 1050036, 1269138, 1520571, 1692184, 2027428, 2066417, 2100072, 2538276, 3041142, 4054856, 4132834, 5076552, 6082284, 6199251, 8265668, 12164568, 12398502, 16531336, 24797004, 26863421, 49594008, 53726842, 80590263, 107453684, 161180526, 214907368, 322361052, 644722104]

約数ペア:

[(1, 644722104), (2, 322361052), (3, 214907368), (4, 161180526), (6, 107453684), (8, 80590263), (12, 53726842), (13, 49594008), (24, 26863421), (26, 24797004), (39, 16531336), (52, 12398502), (53, 12164568), (78, 8265668), (104, 6199251), (106, 6082284), (127, 5076552), (156, 4132834), (159, 4054856), (212, 3041142), (254, 2538276), (307, 2100072), (312, 2066417), (318, 2027428), (381, 1692184), (424, 1520571), (508, 1269138), (614, 1050036), (636, 1013714), (689, 935736), (762, 846092), (921, 700024), (1016, 634569), (1228, 525018), (1272, 506857), (1378, 467868), (1524, 423046), (1651, 390504), (1842, 350012), (2067, 311912), (2456, 262509), (2756, 233934), (3048, 211523), (3302, 195252), (3684, 175006), (3991, 161544), (4134, 155956), (4953, 130168), (5512, 116967), (6604, 97626), (6731, 95784), (7368, 87503), (7982, 80772), (8268, 77978), (9906, 65084), (11973, 53848), (13208, 48813), (13462, 47892), (15964, 40386), (16271, 39624), (16536, 38989), (19812, 32542), (20193, 31928), (23946, 26924)]