640176768

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1031}}^1$

素因数の和:1076

約数の個数: 288

約数和(自身を含む): 2340018720

約数和(自身を除く): 1699841952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 49, 56, 63, 64, 66, 72, 77, 84, 88, 96, 98, 99, 112, 126, 128, 132, 144, 147, 154, 168, 176, 192, 196, 198, 224, 231, 252, 264, 288, 294, 308, 336, 352, 384, 392, 396, 441, 448, 462, 504, 528, 539, 576, 588, 616, 672, 693, 704, 784, 792, 882, 896, 924, 1008, 1031, 1056, 1078, 1152, 1176, 1232, 1344, 1386, 1408, 1568, 1584, 1617, 1764, 1848, 2016, 2062, 2112, 2156, 2352, 2464, 2688, 2772, 3093, 3136, 3168, 3234, 3528, 3696, 4032, 4124, 4224, 4312, 4704, 4851, 4928, 5544, 6186, 6272, 6336, 6468, 7056, 7217, 7392, 8064, 8248, 8624, 9279, 9408, 9702, 9856, 11088, 11341, 12372, 12672, 12936, 14112, 14434, 14784, 16496, 17248, 18558, 18816, 19404, 21651, 22176, 22682, 24744, 25872, 28224, 28868, 29568, 32992, 34023, 34496, 37116, 38808, 43302, 44352, 45364, 49488, 50519, 51744, 56448, 57736, 64953, 65984, 68046, 68992, 74232, 77616, 79387, 86604, 88704, 90728, 98976, 101038, 102069, 103488, 115472, 129906, 131968, 136092, 148464, 151557, 155232, 158774, 173208, 181456, 197952, 202076, 204138, 206976, 230944, 238161, 259812, 272184, 296928, 303114, 310464, 317548, 346416, 362912, 395904, 404152, 408276, 454671, 461888, 476322, 519624, 544368, 555709, 593856, 606228, 620928, 635096, 692832, 714483, 725824, 808304, 816552, 909342, 923776, 952644, 1039248, 1088736, 1111418, 1187712, 1212456, 1270192, 1385664, 1428966, 1451648, 1616608, 1633104, 1667127, 1818684, 1905288, 2078496, 2177472, 2222836, 2424912, 2540384, 2771328, 2857932, 3233216, 3266208, 3334254, 3637368, 3810576, 4156992, 4354944, 4445672, 4849824, 5001381, 5080768, 5715864, 6466432, 6532416, 6668508, 7274736, 7621152, 8313984, 8891344, 9699648, 10002762, 10161536, 11431728, 13064832, 13337016, 14549472, 15242304, 17782688, 19399296, 20005524, 22863456, 26674032, 29098944, 30484608, 35565376, 40011048, 45726912, 53348064, 58197888, 71130752, 80022096, 91453824, 106696128, 160044192, 213392256, 320088384, 640176768]

約数ペア:

[(1, 640176768), (2, 320088384), (3, 213392256), (4, 160044192), (6, 106696128), (7, 91453824), (8, 80022096), (9, 71130752), (11, 58197888), (12, 53348064), (14, 45726912), (16, 40011048), (18, 35565376), (21, 30484608), (22, 29098944), (24, 26674032), (28, 22863456), (32, 20005524), (33, 19399296), (36, 17782688), (42, 15242304), (44, 14549472), (48, 13337016), (49, 13064832), (56, 11431728), (63, 10161536), (64, 10002762), (66, 9699648), (72, 8891344), (77, 8313984), (84, 7621152), (88, 7274736), (96, 6668508), (98, 6532416), (99, 6466432), (112, 5715864), (126, 5080768), (128, 5001381), (132, 4849824), (144, 4445672), (147, 4354944), (154, 4156992), (168, 3810576), (176, 3637368), (192, 3334254), (196, 3266208), (198, 3233216), (224, 2857932), (231, 2771328), (252, 2540384), (264, 2424912), (288, 2222836), (294, 2177472), (308, 2078496), (336, 1905288), (352, 1818684), (384, 1667127), (392, 1633104), (396, 1616608), (441, 1451648), (448, 1428966), (462, 1385664), (504, 1270192), (528, 1212456), (539, 1187712), (576, 1111418), (588, 1088736), (616, 1039248), (672, 952644), (693, 923776), (704, 909342), (784, 816552), (792, 808304), (882, 725824), (896, 714483), (924, 692832), (1008, 635096), (1031, 620928), (1056, 606228), (1078, 593856), (1152, 555709), (1176, 544368), (1232, 519624), (1344, 476322), (1386, 461888), (1408, 454671), (1568, 408276), (1584, 404152), (1617, 395904), (1764, 362912), (1848, 346416), (2016, 317548), (2062, 310464), (2112, 303114), (2156, 296928), (2352, 272184), (2464, 259812), (2688, 238161), (2772, 230944), (3093, 206976), (3136, 204138), (3168, 202076), (3234, 197952), (3528, 181456), (3696, 173208), (4032, 158774), (4124, 155232), (4224, 151557), (4312, 148464), (4704, 136092), (4851, 131968), (4928, 129906), (5544, 115472), (6186, 103488), (6272, 102069), (6336, 101038), (6468, 98976), (7056, 90728), (7217, 88704), (7392, 86604), (8064, 79387), (8248, 77616), (8624, 74232), (9279, 68992), (9408, 68046), (9702, 65984), (9856, 64953), (11088, 57736), (11341, 56448), (12372, 51744), (12672, 50519), (12936, 49488), (14112, 45364), (14434, 44352), (14784, 43302), (16496, 38808), (17248, 37116), (18558, 34496), (18816, 34023), (19404, 32992), (21651, 29568), (22176, 28868), (22682, 28224), (24744, 25872)]