256691232

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:991

約数の個数: 144

約数和(自身を含む): 840595392

約数和(自身を除く): 583904160

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 157, 168, 224, 252, 288, 314, 336, 471, 504, 628, 672, 811, 942, 1008, 1099, 1256, 1413, 1622, 1884, 2016, 2198, 2433, 2512, 2826, 3244, 3297, 3768, 4396, 4866, 5024, 5652, 5677, 6488, 6594, 7299, 7536, 8792, 9732, 9891, 11304, 11354, 12976, 13188, 14598, 15072, 17031, 17584, 19464, 19782, 22608, 22708, 25952, 26376, 29196, 34062, 35168, 38928, 39564, 45216, 45416, 51093, 52752, 58392, 68124, 77856, 79128, 90832, 102186, 105504, 116784, 127327, 136248, 158256, 181664, 204372, 233568, 254654, 272496, 316512, 381981, 408744, 509308, 544992, 763962, 817488, 891289, 1018616, 1145943, 1527924, 1634976, 1782578, 2037232, 2291886, 2673867, 3055848, 3565156, 4074464, 4583772, 5347734, 6111696, 7130312, 8021601, 9167544, 10695468, 12223392, 14260624, 16043202, 18335088, 21390936, 28521248, 32086404, 36670176, 42781872, 64172808, 85563744, 128345616, 256691232]

約数ペア:

[(1, 256691232), (2, 128345616), (3, 85563744), (4, 64172808), (6, 42781872), (7, 36670176), (8, 32086404), (9, 28521248), (12, 21390936), (14, 18335088), (16, 16043202), (18, 14260624), (21, 12223392), (24, 10695468), (28, 9167544), (32, 8021601), (36, 7130312), (42, 6111696), (48, 5347734), (56, 4583772), (63, 4074464), (72, 3565156), (84, 3055848), (96, 2673867), (112, 2291886), (126, 2037232), (144, 1782578), (157, 1634976), (168, 1527924), (224, 1145943), (252, 1018616), (288, 891289), (314, 817488), (336, 763962), (471, 544992), (504, 509308), (628, 408744), (672, 381981), (811, 316512), (942, 272496), (1008, 254654), (1099, 233568), (1256, 204372), (1413, 181664), (1622, 158256), (1884, 136248), (2016, 127327), (2198, 116784), (2433, 105504), (2512, 102186), (2826, 90832), (3244, 79128), (3297, 77856), (3768, 68124), (4396, 58392), (4866, 52752), (5024, 51093), (5652, 45416), (5677, 45216), (6488, 39564), (6594, 38928), (7299, 35168), (7536, 34062), (8792, 29196), (9732, 26376), (9891, 25952), (11304, 22708), (11354, 22608), (12976, 19782), (13188, 19464), (14598, 17584), (15072, 17031)]