257215392

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 613696608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 71, 72, 84, 96, 108, 112, 126, 142, 144, 168, 189, 213, 216, 224, 252, 284, 288, 336, 378, 426, 432, 497, 504, 568, 599, 639, 672, 756, 852, 864, 994, 1008, 1136, 1198, 1278, 1491, 1512, 1704, 1797, 1917, 1988, 2016, 2272, 2396, 2556, 2982, 3024, 3408, 3594, 3834, 3976, 4193, 4473, 4792, 5112, 5391, 5964, 6048, 6816, 7188, 7668, 7952, 8386, 8946, 9584, 10224, 10782, 11928, 12579, 13419, 14376, 15336, 15904, 16173, 16772, 17892, 19168, 20448, 21564, 23856, 25158, 26838, 28752, 30672, 32346, 33544, 35784, 37737, 42529, 43128, 47712, 50316, 53676, 57504, 61344, 64692, 67088, 71568, 75474, 85058, 86256, 100632, 107352, 113211, 127587, 129384, 134176, 143136, 150948, 170116, 172512, 201264, 214704, 226422, 255174, 258768, 297703, 301896, 340232, 382761, 402528, 429408, 452844, 510348, 517536, 595406, 603792, 680464, 765522, 893109, 905688, 1020696, 1148283, 1190812, 1207584, 1360928, 1531044, 1786218, 1811376, 2041392, 2296566, 2381624, 2679327, 3062088, 3572436, 3622752, 4082784, 4593132, 4763248, 5358654, 6124176, 7144872, 8037981, 9186264, 9526496, 10717308, 12248352, 14289744, 16075962, 18372528, 21434616, 28579488, 32151924, 36745056, 42869232, 64303848, 85738464, 128607696, 257215392]

約数ペア:

[(1, 257215392), (2, 128607696), (3, 85738464), (4, 64303848), (6, 42869232), (7, 36745056), (8, 32151924), (9, 28579488), (12, 21434616), (14, 18372528), (16, 16075962), (18, 14289744), (21, 12248352), (24, 10717308), (27, 9526496), (28, 9186264), (32, 8037981), (36, 7144872), (42, 6124176), (48, 5358654), (54, 4763248), (56, 4593132), (63, 4082784), (71, 3622752), (72, 3572436), (84, 3062088), (96, 2679327), (108, 2381624), (112, 2296566), (126, 2041392), (142, 1811376), (144, 1786218), (168, 1531044), (189, 1360928), (213, 1207584), (216, 1190812), (224, 1148283), (252, 1020696), (284, 905688), (288, 893109), (336, 765522), (378, 680464), (426, 603792), (432, 595406), (497, 517536), (504, 510348), (568, 452844), (599, 429408), (639, 402528), (672, 382761), (756, 340232), (852, 301896), (864, 297703), (994, 258768), (1008, 255174), (1136, 226422), (1198, 214704), (1278, 201264), (1491, 172512), (1512, 170116), (1704, 150948), (1797, 143136), (1917, 134176), (1988, 129384), (2016, 127587), (2272, 113211), (2396, 107352), (2556, 100632), (2982, 86256), (3024, 85058), (3408, 75474), (3594, 71568), (3834, 67088), (3976, 64692), (4193, 61344), (4473, 57504), (4792, 53676), (5112, 50316), (5391, 47712), (5964, 43128), (6048, 42529), (6816, 37737), (7188, 35784), (7668, 33544), (7952, 32346), (8386, 30672), (8946, 28752), (9584, 26838), (10224, 25158), (10782, 23856), (11928, 21564), (12579, 20448), (13419, 19168), (14376, 17892), (15336, 16772), (15904, 16173)]