256499712

素因数分解:

$2^{13}\times 3^2\times 7^2\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 252

約数和(自身を含む): 874065816

約数和(自身を除く): 617566104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 71, 72, 84, 96, 98, 112, 126, 128, 142, 144, 147, 168, 192, 196, 213, 224, 252, 256, 284, 288, 294, 336, 384, 392, 426, 441, 448, 497, 504, 512, 568, 576, 588, 639, 672, 768, 784, 852, 882, 896, 994, 1008, 1024, 1136, 1152, 1176, 1278, 1344, 1491, 1536, 1568, 1704, 1764, 1792, 1988, 2016, 2048, 2272, 2304, 2352, 2556, 2688, 2982, 3072, 3136, 3408, 3479, 3528, 3584, 3976, 4032, 4096, 4473, 4544, 4608, 4704, 5112, 5376, 5964, 6144, 6272, 6816, 6958, 7056, 7168, 7952, 8064, 8192, 8946, 9088, 9216, 9408, 10224, 10437, 10752, 11928, 12288, 12544, 13632, 13916, 14112, 14336, 15904, 16128, 17892, 18176, 18432, 18816, 20448, 20874, 21504, 23856, 24576, 25088, 27264, 27832, 28224, 28672, 31311, 31808, 32256, 35784, 36352, 36864, 37632, 40896, 41748, 43008, 47712, 50176, 54528, 55664, 56448, 57344, 62622, 63616, 64512, 71568, 72704, 73728, 75264, 81792, 83496, 86016, 95424, 100352, 109056, 111328, 112896, 125244, 127232, 129024, 143136, 145408, 150528, 163584, 166992, 172032, 190848, 200704, 218112, 222656, 225792, 250488, 254464, 258048, 286272, 290816, 301056, 327168, 333984, 381696, 401408, 436224, 445312, 451584, 500976, 508928, 516096, 572544, 581632, 602112, 654336, 667968, 763392, 872448, 890624, 903168, 1001952, 1017856, 1145088, 1204224, 1308672, 1335936, 1526784, 1744896, 1781248, 1806336, 2003904, 2035712, 2290176, 2617344, 2671872, 3053568, 3562496, 3612672, 4007808, 4071424, 4580352, 5234688, 5343744, 6107136, 7124992, 8015616, 9160704, 10687488, 12214272, 14249984, 16031232, 18321408, 21374976, 28499968, 32062464, 36642816, 42749952, 64124928, 85499904, 128249856, 256499712]

約数ペア:

[(1, 256499712), (2, 128249856), (3, 85499904), (4, 64124928), (6, 42749952), (7, 36642816), (8, 32062464), (9, 28499968), (12, 21374976), (14, 18321408), (16, 16031232), (18, 14249984), (21, 12214272), (24, 10687488), (28, 9160704), (32, 8015616), (36, 7124992), (42, 6107136), (48, 5343744), (49, 5234688), (56, 4580352), (63, 4071424), (64, 4007808), (71, 3612672), (72, 3562496), (84, 3053568), (96, 2671872), (98, 2617344), (112, 2290176), (126, 2035712), (128, 2003904), (142, 1806336), (144, 1781248), (147, 1744896), (168, 1526784), (192, 1335936), (196, 1308672), (213, 1204224), (224, 1145088), (252, 1017856), (256, 1001952), (284, 903168), (288, 890624), (294, 872448), (336, 763392), (384, 667968), (392, 654336), (426, 602112), (441, 581632), (448, 572544), (497, 516096), (504, 508928), (512, 500976), (568, 451584), (576, 445312), (588, 436224), (639, 401408), (672, 381696), (768, 333984), (784, 327168), (852, 301056), (882, 290816), (896, 286272), (994, 258048), (1008, 254464), (1024, 250488), (1136, 225792), (1152, 222656), (1176, 218112), (1278, 200704), (1344, 190848), (1491, 172032), (1536, 166992), (1568, 163584), (1704, 150528), (1764, 145408), (1792, 143136), (1988, 129024), (2016, 127232), (2048, 125244), (2272, 112896), (2304, 111328), (2352, 109056), (2556, 100352), (2688, 95424), (2982, 86016), (3072, 83496), (3136, 81792), (3408, 75264), (3479, 73728), (3528, 72704), (3584, 71568), (3976, 64512), (4032, 63616), (4096, 62622), (4473, 57344), (4544, 56448), (4608, 55664), (4704, 54528), (5112, 50176), (5376, 47712), (5964, 43008), (6144, 41748), (6272, 40896), (6816, 37632), (6958, 36864), (7056, 36352), (7168, 35784), (7952, 32256), (8064, 31808), (8192, 31311), (8946, 28672), (9088, 28224), (9216, 27832), (9408, 27264), (10224, 25088), (10437, 24576), (10752, 23856), (11928, 21504), (12288, 20874), (12544, 20448), (13632, 18816), (13916, 18432), (14112, 18176), (14336, 17892), (15904, 16128)]