2015199680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2686

約数の個数: 112

約数和(自身を含む): 5196169440

約数和(自身を除く): 3180969760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 197, 208, 260, 320, 394, 416, 520, 788, 832, 985, 1040, 1576, 1970, 2080, 2459, 2561, 3152, 3940, 4160, 4918, 5122, 6304, 7880, 9836, 10244, 12295, 12608, 12805, 15760, 19672, 20488, 24590, 25610, 31520, 31967, 39344, 40976, 49180, 51220, 63040, 63934, 78688, 81952, 98360, 102440, 127868, 157376, 159835, 163904, 196720, 204880, 255736, 319670, 393440, 409760, 484423, 511472, 639340, 786880, 819520, 968846, 1022944, 1278680, 1937692, 2045888, 2422115, 2557360, 3875384, 4844230, 5114720, 6297499, 7750768, 9688460, 10229440, 12594998, 15501536, 19376920, 25189996, 31003072, 31487495, 38753840, 50379992, 62974990, 77507680, 100759984, 125949980, 155015360, 201519968, 251899960, 403039936, 503799920, 1007599840, 2015199680]

約数ペア:

[(1, 2015199680), (2, 1007599840), (4, 503799920), (5, 403039936), (8, 251899960), (10, 201519968), (13, 155015360), (16, 125949980), (20, 100759984), (26, 77507680), (32, 62974990), (40, 50379992), (52, 38753840), (64, 31487495), (65, 31003072), (80, 25189996), (104, 19376920), (130, 15501536), (160, 12594998), (197, 10229440), (208, 9688460), (260, 7750768), (320, 6297499), (394, 5114720), (416, 4844230), (520, 3875384), (788, 2557360), (832, 2422115), (985, 2045888), (1040, 1937692), (1576, 1278680), (1970, 1022944), (2080, 968846), (2459, 819520), (2561, 786880), (3152, 639340), (3940, 511472), (4160, 484423), (4918, 409760), (5122, 393440), (6304, 319670), (7880, 255736), (9836, 204880), (10244, 196720), (12295, 163904), (12608, 159835), (12805, 157376), (15760, 127868), (19672, 102440), (20488, 98360), (24590, 81952), (25610, 78688), (31520, 63934), (31967, 63040), (39344, 51220), (40976, 49180)]