256179456

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2889

約数の個数: 144

約数和(自身を含む): 816128320

約数和(自身を除く): 559948864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 256, 288, 312, 351, 384, 416, 432, 468, 576, 624, 702, 768, 832, 864, 936, 1152, 1248, 1404, 1664, 1728, 1872, 2304, 2496, 2808, 2851, 3328, 3456, 3744, 4992, 5616, 5702, 6912, 7488, 8553, 9984, 11232, 11404, 14976, 17106, 22464, 22808, 25659, 29952, 34212, 37063, 44928, 45616, 51318, 68424, 74126, 76977, 89856, 91232, 102636, 111189, 136848, 148252, 153954, 182464, 205272, 222378, 273696, 296504, 307908, 333567, 364928, 410544, 444756, 547392, 593008, 615816, 667134, 729856, 821088, 889512, 1000701, 1094784, 1186016, 1231632, 1334268, 1642176, 1779024, 2001402, 2189568, 2372032, 2463264, 2668536, 3284352, 3558048, 4002804, 4744064, 4926528, 5337072, 6568704, 7116096, 8005608, 9488128, 9853056, 10674144, 14232192, 16011216, 19706112, 21348288, 28464384, 32022432, 42696576, 64044864, 85393152, 128089728, 256179456]

約数ペア:

[(1, 256179456), (2, 128089728), (3, 85393152), (4, 64044864), (6, 42696576), (8, 32022432), (9, 28464384), (12, 21348288), (13, 19706112), (16, 16011216), (18, 14232192), (24, 10674144), (26, 9853056), (27, 9488128), (32, 8005608), (36, 7116096), (39, 6568704), (48, 5337072), (52, 4926528), (54, 4744064), (64, 4002804), (72, 3558048), (78, 3284352), (96, 2668536), (104, 2463264), (108, 2372032), (117, 2189568), (128, 2001402), (144, 1779024), (156, 1642176), (192, 1334268), (208, 1231632), (216, 1186016), (234, 1094784), (256, 1000701), (288, 889512), (312, 821088), (351, 729856), (384, 667134), (416, 615816), (432, 593008), (468, 547392), (576, 444756), (624, 410544), (702, 364928), (768, 333567), (832, 307908), (864, 296504), (936, 273696), (1152, 222378), (1248, 205272), (1404, 182464), (1664, 153954), (1728, 148252), (1872, 136848), (2304, 111189), (2496, 102636), (2808, 91232), (2851, 89856), (3328, 76977), (3456, 74126), (3744, 68424), (4992, 51318), (5616, 45616), (5702, 44928), (6912, 37063), (7488, 34212), (8553, 29952), (9984, 25659), (11232, 22808), (11404, 22464), (14976, 17106)]