257397504

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 879083520

約数和(自身を除く): 621686016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 32, 39, 42, 48, 52, 56, 58, 64, 78, 84, 87, 91, 96, 104, 112, 116, 127, 128, 156, 168, 174, 182, 192, 203, 208, 224, 232, 254, 256, 273, 312, 336, 348, 364, 377, 381, 384, 406, 416, 448, 464, 508, 546, 609, 624, 672, 696, 728, 754, 762, 768, 812, 832, 889, 896, 928, 1016, 1092, 1131, 1218, 1248, 1344, 1392, 1456, 1508, 1524, 1624, 1651, 1664, 1778, 1792, 1856, 2032, 2184, 2262, 2436, 2496, 2639, 2667, 2688, 2784, 2912, 3016, 3048, 3248, 3302, 3328, 3556, 3683, 3712, 4064, 4368, 4524, 4872, 4953, 4992, 5278, 5334, 5376, 5568, 5824, 6032, 6096, 6496, 6604, 7112, 7366, 7424, 7917, 8128, 8736, 9048, 9744, 9906, 9984, 10556, 10668, 11049, 11136, 11557, 11648, 12064, 12192, 12992, 13208, 14224, 14732, 15834, 16256, 17472, 18096, 19488, 19812, 21112, 21336, 22098, 22272, 23114, 23296, 24128, 24384, 25781, 25984, 26416, 28448, 29464, 31668, 32512, 34671, 34944, 36192, 38976, 39624, 42224, 42672, 44196, 46228, 47879, 48256, 48768, 51562, 51968, 52832, 56896, 58928, 63336, 69342, 69888, 72384, 77343, 77952, 79248, 84448, 85344, 88392, 92456, 95758, 96512, 97536, 103124, 105664, 113792, 117856, 126672, 138684, 143637, 144768, 154686, 155904, 158496, 168896, 170688, 176784, 184912, 191516, 206248, 211328, 227584, 235712, 253344, 277368, 287274, 289536, 309372, 316992, 335153, 337792, 341376, 353568, 369824, 383032, 412496, 422656, 471424, 506688, 554736, 574548, 618744, 633984, 670306, 675584, 682752, 707136, 739648, 766064, 824992, 942848, 1005459, 1013376, 1109472, 1149096, 1237488, 1267968, 1340612, 1414272, 1479296, 1532128, 1649984, 2010918, 2026752, 2218944, 2298192, 2474976, 2681224, 2828544, 2958592, 3064256, 3299968, 4021836, 4437888, 4596384, 4949952, 5362448, 6128512, 6599936, 8043672, 8875776, 9192768, 9899904, 10724896, 12257024, 16087344, 18385536, 19799808, 21449792, 32174688, 36771072, 42899584, 64349376, 85799168, 128698752, 257397504]

約数ペア:

[(1, 257397504), (2, 128698752), (3, 85799168), (4, 64349376), (6, 42899584), (7, 36771072), (8, 32174688), (12, 21449792), (13, 19799808), (14, 18385536), (16, 16087344), (21, 12257024), (24, 10724896), (26, 9899904), (28, 9192768), (29, 8875776), (32, 8043672), (39, 6599936), (42, 6128512), (48, 5362448), (52, 4949952), (56, 4596384), (58, 4437888), (64, 4021836), (78, 3299968), (84, 3064256), (87, 2958592), (91, 2828544), (96, 2681224), (104, 2474976), (112, 2298192), (116, 2218944), (127, 2026752), (128, 2010918), (156, 1649984), (168, 1532128), (174, 1479296), (182, 1414272), (192, 1340612), (203, 1267968), (208, 1237488), (224, 1149096), (232, 1109472), (254, 1013376), (256, 1005459), (273, 942848), (312, 824992), (336, 766064), (348, 739648), (364, 707136), (377, 682752), (381, 675584), (384, 670306), (406, 633984), (416, 618744), (448, 574548), (464, 554736), (508, 506688), (546, 471424), (609, 422656), (624, 412496), (672, 383032), (696, 369824), (728, 353568), (754, 341376), (762, 337792), (768, 335153), (812, 316992), (832, 309372), (889, 289536), (896, 287274), (928, 277368), (1016, 253344), (1092, 235712), (1131, 227584), (1218, 211328), (1248, 206248), (1344, 191516), (1392, 184912), (1456, 176784), (1508, 170688), (1524, 168896), (1624, 158496), (1651, 155904), (1664, 154686), (1778, 144768), (1792, 143637), (1856, 138684), (2032, 126672), (2184, 117856), (2262, 113792), (2436, 105664), (2496, 103124), (2639, 97536), (2667, 96512), (2688, 95758), (2784, 92456), (2912, 88392), (3016, 85344), (3048, 84448), (3248, 79248), (3302, 77952), (3328, 77343), (3556, 72384), (3683, 69888), (3712, 69342), (4064, 63336), (4368, 58928), (4524, 56896), (4872, 52832), (4953, 51968), (4992, 51562), (5278, 48768), (5334, 48256), (5376, 47879), (5568, 46228), (5824, 44196), (6032, 42672), (6096, 42224), (6496, 39624), (6604, 38976), (7112, 36192), (7366, 34944), (7424, 34671), (7917, 32512), (8128, 31668), (8736, 29464), (9048, 28448), (9744, 26416), (9906, 25984), (9984, 25781), (10556, 24384), (10668, 24128), (11049, 23296), (11136, 23114), (11557, 22272), (11648, 22098), (12064, 21336), (12192, 21112), (12992, 19812), (13208, 19488), (14224, 18096), (14732, 17472), (15834, 16256)]