257796864

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 869926400

約数和(自身を除く): 612129536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 64, 72, 76, 78, 96, 104, 108, 114, 117, 128, 144, 151, 152, 156, 171, 192, 208, 216, 228, 234, 247, 256, 288, 302, 304, 312, 342, 351, 384, 416, 432, 453, 456, 468, 494, 513, 576, 604, 608, 624, 684, 702, 741, 768, 832, 864, 906, 912, 936, 988, 1026, 1152, 1208, 1216, 1248, 1359, 1368, 1404, 1482, 1664, 1728, 1812, 1824, 1872, 1963, 1976, 2052, 2223, 2304, 2416, 2432, 2496, 2718, 2736, 2808, 2869, 2964, 3328, 3456, 3624, 3648, 3744, 3926, 3952, 4077, 4104, 4446, 4832, 4864, 4992, 5436, 5472, 5616, 5738, 5889, 5928, 6669, 6912, 7248, 7296, 7488, 7852, 7904, 8154, 8208, 8607, 8892, 9664, 9984, 10872, 10944, 11232, 11476, 11778, 11856, 13338, 14496, 14592, 14976, 15704, 15808, 16308, 16416, 17214, 17667, 17784, 19328, 21744, 21888, 22464, 22952, 23556, 23712, 25821, 26676, 28992, 29952, 31408, 31616, 32616, 32832, 34428, 35334, 35568, 37297, 38656, 43488, 43776, 44928, 45904, 47112, 47424, 51642, 53001, 53352, 57984, 62816, 63232, 65232, 65664, 68856, 70668, 71136, 74594, 77463, 86976, 89856, 91808, 94224, 94848, 103284, 106002, 106704, 111891, 115968, 125632, 130464, 131328, 137712, 141336, 142272, 149188, 154926, 173952, 183616, 188448, 189696, 206568, 212004, 213408, 223782, 251264, 260928, 275424, 282672, 284544, 298376, 309852, 335673, 347904, 367232, 376896, 413136, 424008, 426816, 447564, 502528, 521856, 550848, 565344, 569088, 596752, 619704, 671346, 734464, 753792, 826272, 848016, 853632, 895128, 1007019, 1043712, 1101696, 1130688, 1193504, 1239408, 1342692, 1507584, 1652544, 1696032, 1707264, 1790256, 2014038, 2203392, 2261376, 2387008, 2478816, 2685384, 3305088, 3392064, 3580512, 4028076, 4522752, 4774016, 4957632, 5370768, 6610176, 6784128, 7161024, 8056152, 9548032, 9915264, 10741536, 13568256, 14322048, 16112304, 19830528, 21483072, 28644096, 32224608, 42966144, 64449216, 85932288, 128898432, 257796864]

約数ペア:

[(1, 257796864), (2, 128898432), (3, 85932288), (4, 64449216), (6, 42966144), (8, 32224608), (9, 28644096), (12, 21483072), (13, 19830528), (16, 16112304), (18, 14322048), (19, 13568256), (24, 10741536), (26, 9915264), (27, 9548032), (32, 8056152), (36, 7161024), (38, 6784128), (39, 6610176), (48, 5370768), (52, 4957632), (54, 4774016), (57, 4522752), (64, 4028076), (72, 3580512), (76, 3392064), (78, 3305088), (96, 2685384), (104, 2478816), (108, 2387008), (114, 2261376), (117, 2203392), (128, 2014038), (144, 1790256), (151, 1707264), (152, 1696032), (156, 1652544), (171, 1507584), (192, 1342692), (208, 1239408), (216, 1193504), (228, 1130688), (234, 1101696), (247, 1043712), (256, 1007019), (288, 895128), (302, 853632), (304, 848016), (312, 826272), (342, 753792), (351, 734464), (384, 671346), (416, 619704), (432, 596752), (453, 569088), (456, 565344), (468, 550848), (494, 521856), (513, 502528), (576, 447564), (604, 426816), (608, 424008), (624, 413136), (684, 376896), (702, 367232), (741, 347904), (768, 335673), (832, 309852), (864, 298376), (906, 284544), (912, 282672), (936, 275424), (988, 260928), (1026, 251264), (1152, 223782), (1208, 213408), (1216, 212004), (1248, 206568), (1359, 189696), (1368, 188448), (1404, 183616), (1482, 173952), (1664, 154926), (1728, 149188), (1812, 142272), (1824, 141336), (1872, 137712), (1963, 131328), (1976, 130464), (2052, 125632), (2223, 115968), (2304, 111891), (2416, 106704), (2432, 106002), (2496, 103284), (2718, 94848), (2736, 94224), (2808, 91808), (2869, 89856), (2964, 86976), (3328, 77463), (3456, 74594), (3624, 71136), (3648, 70668), (3744, 68856), (3926, 65664), (3952, 65232), (4077, 63232), (4104, 62816), (4446, 57984), (4832, 53352), (4864, 53001), (4992, 51642), (5436, 47424), (5472, 47112), (5616, 45904), (5738, 44928), (5889, 43776), (5928, 43488), (6669, 38656), (6912, 37297), (7248, 35568), (7296, 35334), (7488, 34428), (7852, 32832), (7904, 32616), (8154, 31616), (8208, 31408), (8607, 29952), (8892, 28992), (9664, 26676), (9984, 25821), (10872, 23712), (10944, 23556), (11232, 22952), (11476, 22464), (11778, 21888), (11856, 21744), (13338, 19328), (14496, 17784), (14592, 17667), (14976, 17214), (15704, 16416), (15808, 16308)]