256127040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6841}}^1$

素因数の和:6877

約数の個数: 168

約数和(自身を含む): 948875928

約数和(自身を除く): 692748888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 6841, 7488, 9360, 12480, 13682, 18720, 20523, 27364, 34205, 37440, 41046, 54728, 61569, 68410, 82092, 88933, 102615, 109456, 123138, 136820, 164184, 177866, 205230, 218912, 246276, 266799, 273640, 307845, 328368, 355732, 410460, 437824, 444665, 492552, 533598, 547280, 615690, 656736, 711464, 800397, 820920, 889330, 985104, 1067196, 1094560, 1231380, 1313472, 1333995, 1422928, 1600794, 1641840, 1778660, 1970208, 2134392, 2189120, 2462760, 2667990, 2845856, 3201588, 3283680, 3557320, 3940416, 4001985, 4268784, 4925520, 5335980, 5691712, 6403176, 6567360, 7114640, 8003970, 8537568, 9851040, 10671960, 12806352, 14229280, 16007940, 17075136, 19702080, 21343920, 25612704, 28458560, 32015880, 42687840, 51225408, 64031760, 85375680, 128063520, 256127040]

約数ペア:

[(1, 256127040), (2, 128063520), (3, 85375680), (4, 64031760), (5, 51225408), (6, 42687840), (8, 32015880), (9, 28458560), (10, 25612704), (12, 21343920), (13, 19702080), (15, 17075136), (16, 16007940), (18, 14229280), (20, 12806352), (24, 10671960), (26, 9851040), (30, 8537568), (32, 8003970), (36, 7114640), (39, 6567360), (40, 6403176), (45, 5691712), (48, 5335980), (52, 4925520), (60, 4268784), (64, 4001985), (65, 3940416), (72, 3557320), (78, 3283680), (80, 3201588), (90, 2845856), (96, 2667990), (104, 2462760), (117, 2189120), (120, 2134392), (130, 1970208), (144, 1778660), (156, 1641840), (160, 1600794), (180, 1422928), (192, 1333995), (195, 1313472), (208, 1231380), (234, 1094560), (240, 1067196), (260, 985104), (288, 889330), (312, 820920), (320, 800397), (360, 711464), (390, 656736), (416, 615690), (468, 547280), (480, 533598), (520, 492552), (576, 444665), (585, 437824), (624, 410460), (720, 355732), (780, 328368), (832, 307845), (936, 273640), (960, 266799), (1040, 246276), (1170, 218912), (1248, 205230), (1440, 177866), (1560, 164184), (1872, 136820), (2080, 123138), (2340, 109456), (2496, 102615), (2880, 88933), (3120, 82092), (3744, 68410), (4160, 61569), (4680, 54728), (6240, 41046), (6841, 37440), (7488, 34205), (9360, 27364), (12480, 20523), (13682, 18720)]