257275008

素因数分解:

$2^7\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 256

約数和(自身を含む): 837216000

約数和(自身を除く): 579940992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 29, 32, 34, 36, 48, 51, 54, 58, 64, 68, 72, 87, 96, 102, 108, 116, 128, 136, 144, 151, 153, 174, 192, 204, 216, 232, 261, 272, 288, 302, 306, 348, 384, 408, 432, 453, 459, 464, 493, 522, 544, 576, 604, 612, 696, 783, 816, 864, 906, 918, 928, 986, 1044, 1088, 1152, 1208, 1224, 1359, 1392, 1479, 1566, 1632, 1728, 1812, 1836, 1856, 1972, 2088, 2176, 2416, 2448, 2567, 2718, 2784, 2958, 3132, 3264, 3456, 3624, 3672, 3712, 3944, 4077, 4176, 4379, 4437, 4832, 4896, 5134, 5436, 5568, 5916, 6264, 6528, 7248, 7344, 7701, 7888, 8154, 8352, 8758, 8874, 9664, 9792, 10268, 10872, 11136, 11832, 12528, 13137, 13311, 14496, 14688, 15402, 15776, 16308, 16704, 17516, 17748, 19328, 19584, 20536, 21744, 23103, 23664, 25056, 26274, 26622, 28992, 29376, 30804, 31552, 32616, 33408, 35032, 35496, 39411, 41072, 43488, 46206, 47328, 50112, 52548, 53244, 57984, 58752, 61608, 63104, 65232, 69309, 70064, 70992, 74443, 78822, 82144, 86976, 92412, 94656, 100224, 105096, 106488, 118233, 123216, 130464, 138618, 140128, 141984, 148886, 157644, 164288, 173952, 184824, 189312, 210192, 212976, 223329, 236466, 246432, 260928, 277236, 280256, 283968, 297772, 315288, 328576, 369648, 420384, 425952, 446658, 472932, 492864, 521856, 554472, 560512, 567936, 595544, 630576, 669987, 739296, 840768, 851904, 893316, 945864, 985728, 1108944, 1191088, 1261152, 1339974, 1478592, 1681536, 1703808, 1786632, 1891728, 2009961, 2217888, 2382176, 2522304, 2679948, 2957184, 3573264, 3783456, 4019922, 4435776, 4764352, 5044608, 5359896, 7146528, 7566912, 8039844, 8871552, 9528704, 10719792, 14293056, 15133824, 16079688, 21439584, 28586112, 32159376, 42879168, 64318752, 85758336, 128637504, 257275008]

約数ペア:

[(1, 257275008), (2, 128637504), (3, 85758336), (4, 64318752), (6, 42879168), (8, 32159376), (9, 28586112), (12, 21439584), (16, 16079688), (17, 15133824), (18, 14293056), (24, 10719792), (27, 9528704), (29, 8871552), (32, 8039844), (34, 7566912), (36, 7146528), (48, 5359896), (51, 5044608), (54, 4764352), (58, 4435776), (64, 4019922), (68, 3783456), (72, 3573264), (87, 2957184), (96, 2679948), (102, 2522304), (108, 2382176), (116, 2217888), (128, 2009961), (136, 1891728), (144, 1786632), (151, 1703808), (153, 1681536), (174, 1478592), (192, 1339974), (204, 1261152), (216, 1191088), (232, 1108944), (261, 985728), (272, 945864), (288, 893316), (302, 851904), (306, 840768), (348, 739296), (384, 669987), (408, 630576), (432, 595544), (453, 567936), (459, 560512), (464, 554472), (493, 521856), (522, 492864), (544, 472932), (576, 446658), (604, 425952), (612, 420384), (696, 369648), (783, 328576), (816, 315288), (864, 297772), (906, 283968), (918, 280256), (928, 277236), (986, 260928), (1044, 246432), (1088, 236466), (1152, 223329), (1208, 212976), (1224, 210192), (1359, 189312), (1392, 184824), (1479, 173952), (1566, 164288), (1632, 157644), (1728, 148886), (1812, 141984), (1836, 140128), (1856, 138618), (1972, 130464), (2088, 123216), (2176, 118233), (2416, 106488), (2448, 105096), (2567, 100224), (2718, 94656), (2784, 92412), (2958, 86976), (3132, 82144), (3264, 78822), (3456, 74443), (3624, 70992), (3672, 70064), (3712, 69309), (3944, 65232), (4077, 63104), (4176, 61608), (4379, 58752), (4437, 57984), (4832, 53244), (4896, 52548), (5134, 50112), (5436, 47328), (5568, 46206), (5916, 43488), (6264, 41072), (6528, 39411), (7248, 35496), (7344, 35032), (7701, 33408), (7888, 32616), (8154, 31552), (8352, 30804), (8758, 29376), (8874, 28992), (9664, 26622), (9792, 26274), (10268, 25056), (10872, 23664), (11136, 23103), (11832, 21744), (12528, 20536), (13137, 19584), (13311, 19328), (14496, 17748), (14688, 17516), (15402, 16704), (15776, 16308)]