256031232

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 743761920

約数和(自身を除く): 487730688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 283, 304, 372, 384, 456, 496, 512, 566, 589, 608, 744, 768, 849, 912, 992, 1132, 1178, 1216, 1488, 1536, 1698, 1767, 1824, 1984, 2264, 2356, 2432, 2976, 3396, 3534, 3648, 3968, 4528, 4712, 4864, 5377, 5952, 6792, 7068, 7296, 7936, 8773, 9056, 9424, 9728, 10754, 11904, 13584, 14136, 14592, 15872, 16131, 17546, 18112, 18848, 21508, 23808, 26319, 27168, 28272, 29184, 32262, 35092, 36224, 37696, 43016, 47616, 52638, 54336, 56544, 64524, 70184, 72448, 75392, 86032, 105276, 108672, 113088, 129048, 140368, 144896, 150784, 166687, 172064, 210552, 217344, 226176, 258096, 280736, 301568, 333374, 344128, 421104, 434688, 452352, 500061, 516192, 561472, 666748, 688256, 842208, 904704, 1000122, 1032384, 1122944, 1333496, 1376512, 1684416, 2000244, 2064768, 2245888, 2666992, 2753024, 3368832, 4000488, 4129536, 4491776, 5333984, 6737664, 8000976, 8259072, 10667968, 13475328, 16001952, 21335936, 32003904, 42671872, 64007808, 85343744, 128015616, 256031232]

約数ペア:

[(1, 256031232), (2, 128015616), (3, 85343744), (4, 64007808), (6, 42671872), (8, 32003904), (12, 21335936), (16, 16001952), (19, 13475328), (24, 10667968), (31, 8259072), (32, 8000976), (38, 6737664), (48, 5333984), (57, 4491776), (62, 4129536), (64, 4000488), (76, 3368832), (93, 2753024), (96, 2666992), (114, 2245888), (124, 2064768), (128, 2000244), (152, 1684416), (186, 1376512), (192, 1333496), (228, 1122944), (248, 1032384), (256, 1000122), (283, 904704), (304, 842208), (372, 688256), (384, 666748), (456, 561472), (496, 516192), (512, 500061), (566, 452352), (589, 434688), (608, 421104), (744, 344128), (768, 333374), (849, 301568), (912, 280736), (992, 258096), (1132, 226176), (1178, 217344), (1216, 210552), (1488, 172064), (1536, 166687), (1698, 150784), (1767, 144896), (1824, 140368), (1984, 129048), (2264, 113088), (2356, 108672), (2432, 105276), (2976, 86032), (3396, 75392), (3534, 72448), (3648, 70184), (3968, 64524), (4528, 56544), (4712, 54336), (4864, 52638), (5377, 47616), (5952, 43016), (6792, 37696), (7068, 36224), (7296, 35092), (7936, 32262), (8773, 29184), (9056, 28272), (9424, 27168), (9728, 26319), (10754, 23808), (11904, 21508), (13584, 18848), (14136, 18112), (14592, 17546), (15872, 16131)]