256400256

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 256

約数和(自身を含む): 855429120

約数和(自身を除く): 599028864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 31, 32, 34, 42, 48, 51, 56, 62, 64, 68, 84, 93, 96, 102, 112, 119, 124, 128, 136, 168, 181, 186, 192, 204, 217, 224, 238, 248, 272, 336, 357, 362, 372, 384, 408, 434, 448, 476, 496, 527, 543, 544, 651, 672, 714, 724, 744, 816, 868, 896, 952, 992, 1054, 1086, 1088, 1267, 1302, 1344, 1428, 1448, 1488, 1581, 1632, 1736, 1904, 1984, 2108, 2172, 2176, 2534, 2604, 2688, 2856, 2896, 2976, 3077, 3162, 3264, 3472, 3689, 3801, 3808, 3968, 4216, 4344, 5068, 5208, 5611, 5712, 5792, 5952, 6154, 6324, 6528, 6944, 7378, 7602, 7616, 8432, 8688, 9231, 10136, 10416, 11067, 11222, 11424, 11584, 11904, 12308, 12648, 13888, 14756, 15204, 15232, 16833, 16864, 17376, 18462, 20272, 20832, 21539, 22134, 22444, 22848, 23168, 24616, 25296, 27776, 29512, 30408, 33666, 33728, 34752, 36924, 39277, 40544, 41664, 43078, 44268, 44888, 45696, 49232, 50592, 59024, 60816, 64617, 67332, 67456, 69504, 73848, 78554, 81088, 83328, 86156, 88536, 89776, 95387, 98464, 101184, 117831, 118048, 121632, 129234, 134664, 147696, 157108, 162176, 172312, 177072, 179552, 190774, 196928, 202368, 235662, 236096, 243264, 258468, 269328, 286161, 295392, 314216, 344624, 354144, 359104, 381548, 393856, 471324, 472192, 486528, 516936, 538656, 572322, 590784, 628432, 667709, 689248, 708288, 718208, 763096, 942648, 1033872, 1077312, 1144644, 1181568, 1256864, 1335418, 1378496, 1416576, 1526192, 1885296, 2003127, 2067744, 2154624, 2289288, 2513728, 2670836, 2756992, 3052384, 3770592, 4006254, 4135488, 4578576, 5027456, 5341672, 6104768, 7541184, 8012508, 8270976, 9157152, 10683344, 12209536, 15082368, 16025016, 18314304, 21366688, 32050032, 36628608, 42733376, 64100064, 85466752, 128200128, 256400256]

約数ペア:

[(1, 256400256), (2, 128200128), (3, 85466752), (4, 64100064), (6, 42733376), (7, 36628608), (8, 32050032), (12, 21366688), (14, 18314304), (16, 16025016), (17, 15082368), (21, 12209536), (24, 10683344), (28, 9157152), (31, 8270976), (32, 8012508), (34, 7541184), (42, 6104768), (48, 5341672), (51, 5027456), (56, 4578576), (62, 4135488), (64, 4006254), (68, 3770592), (84, 3052384), (93, 2756992), (96, 2670836), (102, 2513728), (112, 2289288), (119, 2154624), (124, 2067744), (128, 2003127), (136, 1885296), (168, 1526192), (181, 1416576), (186, 1378496), (192, 1335418), (204, 1256864), (217, 1181568), (224, 1144644), (238, 1077312), (248, 1033872), (272, 942648), (336, 763096), (357, 718208), (362, 708288), (372, 689248), (384, 667709), (408, 628432), (434, 590784), (448, 572322), (476, 538656), (496, 516936), (527, 486528), (543, 472192), (544, 471324), (651, 393856), (672, 381548), (714, 359104), (724, 354144), (744, 344624), (816, 314216), (868, 295392), (896, 286161), (952, 269328), (992, 258468), (1054, 243264), (1086, 236096), (1088, 235662), (1267, 202368), (1302, 196928), (1344, 190774), (1428, 179552), (1448, 177072), (1488, 172312), (1581, 162176), (1632, 157108), (1736, 147696), (1904, 134664), (1984, 129234), (2108, 121632), (2172, 118048), (2176, 117831), (2534, 101184), (2604, 98464), (2688, 95387), (2856, 89776), (2896, 88536), (2976, 86156), (3077, 83328), (3162, 81088), (3264, 78554), (3472, 73848), (3689, 69504), (3801, 67456), (3808, 67332), (3968, 64617), (4216, 60816), (4344, 59024), (5068, 50592), (5208, 49232), (5611, 45696), (5712, 44888), (5792, 44268), (5952, 43078), (6154, 41664), (6324, 40544), (6528, 39277), (6944, 36924), (7378, 34752), (7602, 33728), (7616, 33666), (8432, 30408), (8688, 29512), (9231, 27776), (10136, 25296), (10416, 24616), (11067, 23168), (11222, 22848), (11424, 22444), (11584, 22134), (11904, 21539), (12308, 20832), (12648, 20272), (13888, 18462), (14756, 17376), (15204, 16864), (15232, 16833)]