257262720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:983

約数の個数: 256

約数和(自身を含む): 964414080

約数和(自身を除く): 707151360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 128, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 260, 264, 286, 312, 320, 330, 352, 384, 390, 416, 429, 440, 480, 520, 528, 572, 624, 640, 660, 704, 715, 780, 832, 858, 880, 937, 960, 1040, 1056, 1144, 1248, 1320, 1408, 1430, 1560, 1664, 1716, 1760, 1874, 1920, 2080, 2112, 2145, 2288, 2496, 2640, 2811, 2860, 3120, 3432, 3520, 3748, 4160, 4224, 4290, 4576, 4685, 4992, 5280, 5622, 5720, 6240, 6864, 7040, 7496, 8320, 8580, 9152, 9370, 10307, 10560, 11244, 11440, 12181, 12480, 13728, 14055, 14992, 17160, 18304, 18740, 20614, 21120, 22488, 22880, 24362, 24960, 27456, 28110, 29984, 30921, 34320, 36543, 37480, 41228, 44976, 45760, 48724, 51535, 54912, 56220, 59968, 60905, 61842, 68640, 73086, 74960, 82456, 89952, 91520, 97448, 103070, 112440, 119936, 121810, 123684, 133991, 137280, 146172, 149920, 154605, 164912, 179904, 182715, 194896, 206140, 224880, 243620, 247368, 267982, 274560, 292344, 299840, 309210, 329824, 359808, 365430, 389792, 401973, 412280, 449760, 487240, 494736, 535964, 584688, 599680, 618420, 659648, 669955, 730860, 779584, 803946, 824560, 899520, 974480, 989472, 1071928, 1169376, 1236840, 1319296, 1339910, 1461720, 1559168, 1607892, 1649120, 1799040, 1948960, 1978944, 2009865, 2143856, 2338752, 2473680, 2679820, 2923440, 3215784, 3298240, 3897920, 3957888, 4019730, 4287712, 4677504, 4947360, 5359640, 5846880, 6431568, 6596480, 7795840, 8039460, 8575424, 9894720, 10719280, 11693760, 12863136, 16078920, 17150848, 19789440, 21438560, 23387520, 25726272, 32157840, 42877120, 51452544, 64315680, 85754240, 128631360, 257262720]

約数ペア:

[(1, 257262720), (2, 128631360), (3, 85754240), (4, 64315680), (5, 51452544), (6, 42877120), (8, 32157840), (10, 25726272), (11, 23387520), (12, 21438560), (13, 19789440), (15, 17150848), (16, 16078920), (20, 12863136), (22, 11693760), (24, 10719280), (26, 9894720), (30, 8575424), (32, 8039460), (33, 7795840), (39, 6596480), (40, 6431568), (44, 5846880), (48, 5359640), (52, 4947360), (55, 4677504), (60, 4287712), (64, 4019730), (65, 3957888), (66, 3897920), (78, 3298240), (80, 3215784), (88, 2923440), (96, 2679820), (104, 2473680), (110, 2338752), (120, 2143856), (128, 2009865), (130, 1978944), (132, 1948960), (143, 1799040), (156, 1649120), (160, 1607892), (165, 1559168), (176, 1461720), (192, 1339910), (195, 1319296), (208, 1236840), (220, 1169376), (240, 1071928), (260, 989472), (264, 974480), (286, 899520), (312, 824560), (320, 803946), (330, 779584), (352, 730860), (384, 669955), (390, 659648), (416, 618420), (429, 599680), (440, 584688), (480, 535964), (520, 494736), (528, 487240), (572, 449760), (624, 412280), (640, 401973), (660, 389792), (704, 365430), (715, 359808), (780, 329824), (832, 309210), (858, 299840), (880, 292344), (937, 274560), (960, 267982), (1040, 247368), (1056, 243620), (1144, 224880), (1248, 206140), (1320, 194896), (1408, 182715), (1430, 179904), (1560, 164912), (1664, 154605), (1716, 149920), (1760, 146172), (1874, 137280), (1920, 133991), (2080, 123684), (2112, 121810), (2145, 119936), (2288, 112440), (2496, 103070), (2640, 97448), (2811, 91520), (2860, 89952), (3120, 82456), (3432, 74960), (3520, 73086), (3748, 68640), (4160, 61842), (4224, 60905), (4290, 59968), (4576, 56220), (4685, 54912), (4992, 51535), (5280, 48724), (5622, 45760), (5720, 44976), (6240, 41228), (6864, 37480), (7040, 36543), (7496, 34320), (8320, 30921), (8580, 29984), (9152, 28110), (9370, 27456), (10307, 24960), (10560, 24362), (11244, 22880), (11440, 22488), (12181, 21120), (12480, 20614), (13728, 18740), (14055, 18304), (14992, 17160)]