256236288

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 216

約数和(自身を含む): 866819520

約数和(自身を除く): 610583232

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, 336, 352, 384, 392, 448, 462, 528, 539, 588, 616, 619, 672, 704, 768, 784, 896, 924, 1056, 1078, 1176, 1232, 1238, 1344, 1408, 1568, 1617, 1792, 1848, 1857, 2112, 2156, 2352, 2464, 2476, 2688, 2816, 3136, 3234, 3696, 3714, 4224, 4312, 4333, 4704, 4928, 4952, 5376, 6272, 6468, 6809, 7392, 7428, 8448, 8624, 8666, 9408, 9856, 9904, 12544, 12936, 12999, 13618, 14784, 14856, 17248, 17332, 18816, 19712, 19808, 20427, 25872, 25998, 27236, 29568, 29712, 30331, 34496, 34664, 37632, 39616, 40854, 47663, 51744, 51996, 54472, 59136, 59424, 60662, 68992, 69328, 79232, 81708, 90993, 95326, 103488, 103992, 108944, 118848, 121324, 137984, 138656, 142989, 158464, 163416, 181986, 190652, 206976, 207984, 217888, 237696, 242648, 277312, 285978, 326832, 333641, 363972, 381304, 413952, 415968, 435776, 475392, 485296, 554624, 571956, 653664, 667282, 727944, 762608, 831936, 871552, 970592, 1000923, 1109248, 1143912, 1307328, 1334564, 1455888, 1525216, 1663872, 1743104, 1941184, 2001846, 2287824, 2614656, 2669128, 2911776, 3050432, 3327744, 3882368, 4003692, 4575648, 5229312, 5338256, 5823552, 6100864, 7764736, 8007384, 9151296, 10676512, 11647104, 12201728, 16014768, 18302592, 21353024, 23294208, 32029536, 36605184, 42706048, 64059072, 85412096, 128118144, 256236288]

約数ペア:

[(1, 256236288), (2, 128118144), (3, 85412096), (4, 64059072), (6, 42706048), (7, 36605184), (8, 32029536), (11, 23294208), (12, 21353024), (14, 18302592), (16, 16014768), (21, 12201728), (22, 11647104), (24, 10676512), (28, 9151296), (32, 8007384), (33, 7764736), (42, 6100864), (44, 5823552), (48, 5338256), (49, 5229312), (56, 4575648), (64, 4003692), (66, 3882368), (77, 3327744), (84, 3050432), (88, 2911776), (96, 2669128), (98, 2614656), (112, 2287824), (128, 2001846), (132, 1941184), (147, 1743104), (154, 1663872), (168, 1525216), (176, 1455888), (192, 1334564), (196, 1307328), (224, 1143912), (231, 1109248), (256, 1000923), (264, 970592), (294, 871552), (308, 831936), (336, 762608), (352, 727944), (384, 667282), (392, 653664), (448, 571956), (462, 554624), (528, 485296), (539, 475392), (588, 435776), (616, 415968), (619, 413952), (672, 381304), (704, 363972), (768, 333641), (784, 326832), (896, 285978), (924, 277312), (1056, 242648), (1078, 237696), (1176, 217888), (1232, 207984), (1238, 206976), (1344, 190652), (1408, 181986), (1568, 163416), (1617, 158464), (1792, 142989), (1848, 138656), (1857, 137984), (2112, 121324), (2156, 118848), (2352, 108944), (2464, 103992), (2476, 103488), (2688, 95326), (2816, 90993), (3136, 81708), (3234, 79232), (3696, 69328), (3714, 68992), (4224, 60662), (4312, 59424), (4333, 59136), (4704, 54472), (4928, 51996), (4952, 51744), (5376, 47663), (6272, 40854), (6468, 39616), (6809, 37632), (7392, 34664), (7428, 34496), (8448, 30331), (8624, 29712), (8666, 29568), (9408, 27236), (9856, 25998), (9904, 25872), (12544, 20427), (12936, 19808), (12999, 19712), (13618, 18816), (14784, 17332), (14856, 17248)]