257478144

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 240

約数和(自身を含む): 873265536

約数和(自身を除く): 615787392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 64, 66, 77, 84, 88, 96, 98, 112, 128, 132, 147, 154, 168, 176, 192, 196, 224, 231, 256, 264, 294, 308, 311, 336, 352, 384, 392, 448, 462, 512, 528, 539, 588, 616, 622, 672, 704, 768, 784, 896, 924, 933, 1056, 1078, 1176, 1232, 1244, 1344, 1408, 1536, 1568, 1617, 1792, 1848, 1866, 2112, 2156, 2177, 2352, 2464, 2488, 2688, 2816, 3136, 3234, 3421, 3584, 3696, 3732, 4224, 4312, 4354, 4704, 4928, 4976, 5376, 5632, 6272, 6468, 6531, 6842, 7392, 7464, 8448, 8624, 8708, 9408, 9856, 9952, 10263, 10752, 12544, 12936, 13062, 13684, 14784, 14928, 15239, 16896, 17248, 17416, 18816, 19712, 19904, 20526, 23947, 25088, 25872, 26124, 27368, 29568, 29856, 30478, 34496, 34832, 37632, 39424, 39808, 41052, 45717, 47894, 51744, 52248, 54736, 59136, 59712, 60956, 68992, 69664, 71841, 75264, 79616, 82104, 91434, 95788, 103488, 104496, 109472, 118272, 119424, 121912, 137984, 139328, 143682, 159232, 164208, 167629, 182868, 191576, 206976, 208992, 218944, 238848, 243824, 275968, 278656, 287364, 328416, 335258, 365736, 383152, 413952, 417984, 437888, 477696, 487648, 502887, 557312, 574728, 656832, 670516, 731472, 766304, 827904, 835968, 875776, 975296, 1005774, 1114624, 1149456, 1313664, 1341032, 1462944, 1532608, 1671936, 1751552, 1950592, 2011548, 2298912, 2627328, 2682064, 2925888, 3065216, 3343872, 3901184, 4023096, 4597824, 5254656, 5364128, 5851776, 6130432, 7802368, 8046192, 9195648, 10728256, 11703552, 12260864, 16092384, 18391296, 21456512, 23407104, 32184768, 36782592, 42913024, 64369536, 85826048, 128739072, 257478144]

約数ペア:

[(1, 257478144), (2, 128739072), (3, 85826048), (4, 64369536), (6, 42913024), (7, 36782592), (8, 32184768), (11, 23407104), (12, 21456512), (14, 18391296), (16, 16092384), (21, 12260864), (22, 11703552), (24, 10728256), (28, 9195648), (32, 8046192), (33, 7802368), (42, 6130432), (44, 5851776), (48, 5364128), (49, 5254656), (56, 4597824), (64, 4023096), (66, 3901184), (77, 3343872), (84, 3065216), (88, 2925888), (96, 2682064), (98, 2627328), (112, 2298912), (128, 2011548), (132, 1950592), (147, 1751552), (154, 1671936), (168, 1532608), (176, 1462944), (192, 1341032), (196, 1313664), (224, 1149456), (231, 1114624), (256, 1005774), (264, 975296), (294, 875776), (308, 835968), (311, 827904), (336, 766304), (352, 731472), (384, 670516), (392, 656832), (448, 574728), (462, 557312), (512, 502887), (528, 487648), (539, 477696), (588, 437888), (616, 417984), (622, 413952), (672, 383152), (704, 365736), (768, 335258), (784, 328416), (896, 287364), (924, 278656), (933, 275968), (1056, 243824), (1078, 238848), (1176, 218944), (1232, 208992), (1244, 206976), (1344, 191576), (1408, 182868), (1536, 167629), (1568, 164208), (1617, 159232), (1792, 143682), (1848, 139328), (1866, 137984), (2112, 121912), (2156, 119424), (2177, 118272), (2352, 109472), (2464, 104496), (2488, 103488), (2688, 95788), (2816, 91434), (3136, 82104), (3234, 79616), (3421, 75264), (3584, 71841), (3696, 69664), (3732, 68992), (4224, 60956), (4312, 59712), (4354, 59136), (4704, 54736), (4928, 52248), (4976, 51744), (5376, 47894), (5632, 45717), (6272, 41052), (6468, 39808), (6531, 39424), (6842, 37632), (7392, 34832), (7464, 34496), (8448, 30478), (8624, 29856), (8708, 29568), (9408, 27368), (9856, 26124), (9952, 25872), (10263, 25088), (10752, 23947), (12544, 20526), (12936, 19904), (13062, 19712), (13684, 18816), (14784, 17416), (14928, 17248), (15239, 16896)]