257131056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 859778304

約数和(自身を除く): 602647248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 37, 39, 42, 43, 48, 52, 56, 74, 78, 84, 86, 91, 104, 111, 112, 129, 148, 156, 168, 172, 182, 208, 222, 258, 259, 273, 296, 301, 312, 336, 344, 364, 444, 481, 516, 518, 546, 559, 592, 602, 624, 688, 728, 777, 888, 903, 962, 1032, 1036, 1092, 1118, 1204, 1369, 1443, 1456, 1554, 1591, 1677, 1776, 1806, 1924, 2064, 2072, 2184, 2236, 2408, 2738, 2886, 3108, 3182, 3354, 3367, 3612, 3848, 3913, 4107, 4144, 4368, 4472, 4773, 4816, 5476, 5772, 6216, 6364, 6708, 6734, 7224, 7696, 7826, 8214, 8944, 9546, 9583, 10101, 10952, 11137, 11544, 11739, 12432, 12728, 13416, 13468, 14448, 15652, 16428, 17797, 19092, 19166, 20202, 20683, 21904, 22274, 23088, 23478, 25456, 26832, 26936, 28749, 31304, 32856, 33411, 35594, 38184, 38332, 40404, 41366, 44548, 46956, 53391, 53872, 57498, 58867, 62049, 62608, 65712, 66822, 71188, 76368, 76664, 80808, 82732, 89096, 93912, 106782, 114996, 117734, 124098, 124579, 133644, 142376, 144781, 153328, 161616, 165464, 176601, 178192, 187824, 213564, 229992, 235468, 248196, 249158, 267288, 284752, 289562, 330928, 353202, 373737, 412069, 427128, 434343, 459984, 470936, 496392, 498316, 534576, 579124, 706404, 747474, 765271, 824138, 854256, 868686, 941872, 992784, 996632, 1158248, 1236207, 1412808, 1494948, 1530542, 1648276, 1737372, 1993264, 2295813, 2316496, 2472414, 2825616, 2989896, 3061084, 3296552, 3474744, 4591626, 4944828, 5356897, 5979792, 6122168, 6593104, 6949488, 9183252, 9889656, 10713794, 12244336, 16070691, 18366504, 19779312, 21427588, 32141382, 36733008, 42855176, 64282764, 85710352, 128565528, 257131056]

約数ペア:

[(1, 257131056), (2, 128565528), (3, 85710352), (4, 64282764), (6, 42855176), (7, 36733008), (8, 32141382), (12, 21427588), (13, 19779312), (14, 18366504), (16, 16070691), (21, 12244336), (24, 10713794), (26, 9889656), (28, 9183252), (37, 6949488), (39, 6593104), (42, 6122168), (43, 5979792), (48, 5356897), (52, 4944828), (56, 4591626), (74, 3474744), (78, 3296552), (84, 3061084), (86, 2989896), (91, 2825616), (104, 2472414), (111, 2316496), (112, 2295813), (129, 1993264), (148, 1737372), (156, 1648276), (168, 1530542), (172, 1494948), (182, 1412808), (208, 1236207), (222, 1158248), (258, 996632), (259, 992784), (273, 941872), (296, 868686), (301, 854256), (312, 824138), (336, 765271), (344, 747474), (364, 706404), (444, 579124), (481, 534576), (516, 498316), (518, 496392), (546, 470936), (559, 459984), (592, 434343), (602, 427128), (624, 412069), (688, 373737), (728, 353202), (777, 330928), (888, 289562), (903, 284752), (962, 267288), (1032, 249158), (1036, 248196), (1092, 235468), (1118, 229992), (1204, 213564), (1369, 187824), (1443, 178192), (1456, 176601), (1554, 165464), (1591, 161616), (1677, 153328), (1776, 144781), (1806, 142376), (1924, 133644), (2064, 124579), (2072, 124098), (2184, 117734), (2236, 114996), (2408, 106782), (2738, 93912), (2886, 89096), (3108, 82732), (3182, 80808), (3354, 76664), (3367, 76368), (3612, 71188), (3848, 66822), (3913, 65712), (4107, 62608), (4144, 62049), (4368, 58867), (4472, 57498), (4773, 53872), (4816, 53391), (5476, 46956), (5772, 44548), (6216, 41366), (6364, 40404), (6708, 38332), (6734, 38184), (7224, 35594), (7696, 33411), (7826, 32856), (8214, 31304), (8944, 28749), (9546, 26936), (9583, 26832), (10101, 25456), (10952, 23478), (11137, 23088), (11544, 22274), (11739, 21904), (12432, 20683), (12728, 20202), (13416, 19166), (13468, 19092), (14448, 17797), (15652, 16428)]