257128560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9157}}^1$

素因数の和:9192

約数の個数: 160

約数和(自身を含む): 953897280

約数和(自身を除く): 696768720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9157, 9360, 14040, 18314, 27471, 28080, 36628, 45785, 54942, 73256, 82413, 91570, 109884, 119041, 137355, 146512, 164826, 183140, 219768, 238082, 247239, 274710, 329652, 357123, 366280, 412065, 439536, 476164, 494478, 549420, 595205, 659304, 714246, 732560, 824130, 952328, 988956, 1071369, 1098840, 1190410, 1236195, 1318608, 1428492, 1648260, 1785615, 1904656, 1977912, 2142738, 2197680, 2380820, 2472390, 2856984, 3214107, 3296520, 3571230, 3955824, 4285476, 4761640, 4944780, 5356845, 5713968, 6428214, 6593040, 7142460, 8570952, 9523280, 9889560, 10713690, 12856428, 14284920, 16070535, 17141904, 19779120, 21427380, 25712856, 28569840, 32141070, 42854760, 51425712, 64282140, 85709520, 128564280, 257128560]

約数ペア:

[(1, 257128560), (2, 128564280), (3, 85709520), (4, 64282140), (5, 51425712), (6, 42854760), (8, 32141070), (9, 28569840), (10, 25712856), (12, 21427380), (13, 19779120), (15, 17141904), (16, 16070535), (18, 14284920), (20, 12856428), (24, 10713690), (26, 9889560), (27, 9523280), (30, 8570952), (36, 7142460), (39, 6593040), (40, 6428214), (45, 5713968), (48, 5356845), (52, 4944780), (54, 4761640), (60, 4285476), (65, 3955824), (72, 3571230), (78, 3296520), (80, 3214107), (90, 2856984), (104, 2472390), (108, 2380820), (117, 2197680), (120, 2142738), (130, 1977912), (135, 1904656), (144, 1785615), (156, 1648260), (180, 1428492), (195, 1318608), (208, 1236195), (216, 1190410), (234, 1098840), (240, 1071369), (260, 988956), (270, 952328), (312, 824130), (351, 732560), (360, 714246), (390, 659304), (432, 595205), (468, 549420), (520, 494478), (540, 476164), (585, 439536), (624, 412065), (702, 366280), (720, 357123), (780, 329652), (936, 274710), (1040, 247239), (1080, 238082), (1170, 219768), (1404, 183140), (1560, 164826), (1755, 146512), (1872, 137355), (2160, 119041), (2340, 109884), (2808, 91570), (3120, 82413), (3510, 73256), (4680, 54942), (5616, 45785), (7020, 36628), (9157, 28080), (9360, 27471), (14040, 18314)]