257075520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20599}}^1$

素因数の和:20632

約数の個数: 112

約数和(自身を含む): 879043200

約数和(自身を除く): 621967680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 20599, 41198, 61797, 82396, 102995, 123594, 164792, 205990, 247188, 267787, 308985, 329584, 411980, 494376, 535574, 617970, 659168, 803361, 823960, 988752, 1071148, 1235940, 1318336, 1338935, 1606722, 1647920, 1977504, 2142296, 2471880, 2677870, 3213444, 3295840, 3955008, 4016805, 4284592, 4943760, 5355740, 6426888, 6591680, 8033610, 8569184, 9887520, 10711480, 12853776, 16067220, 17138368, 19775040, 21422960, 25707552, 32134440, 42845920, 51415104, 64268880, 85691840, 128537760, 257075520]

約数ペア:

[(1, 257075520), (2, 128537760), (3, 85691840), (4, 64268880), (5, 51415104), (6, 42845920), (8, 32134440), (10, 25707552), (12, 21422960), (13, 19775040), (15, 17138368), (16, 16067220), (20, 12853776), (24, 10711480), (26, 9887520), (30, 8569184), (32, 8033610), (39, 6591680), (40, 6426888), (48, 5355740), (52, 4943760), (60, 4284592), (64, 4016805), (65, 3955008), (78, 3295840), (80, 3213444), (96, 2677870), (104, 2471880), (120, 2142296), (130, 1977504), (156, 1647920), (160, 1606722), (192, 1338935), (195, 1318336), (208, 1235940), (240, 1071148), (260, 988752), (312, 823960), (320, 803361), (390, 659168), (416, 617970), (480, 535574), (520, 494376), (624, 411980), (780, 329584), (832, 308985), (960, 267787), (1040, 247188), (1248, 205990), (1560, 164792), (2080, 123594), (2496, 102995), (3120, 82396), (4160, 61797), (6240, 41198), (12480, 20599)]