257804976

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 829446912

約数和(自身を除く): 571641936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 23, 24, 26, 33, 39, 44, 46, 48, 52, 66, 69, 71, 78, 88, 92, 104, 132, 138, 142, 143, 156, 176, 184, 208, 213, 253, 264, 276, 284, 286, 299, 312, 368, 426, 429, 506, 528, 529, 552, 568, 572, 598, 624, 759, 781, 852, 858, 897, 923, 1012, 1058, 1104, 1136, 1144, 1196, 1518, 1562, 1587, 1633, 1704, 1716, 1794, 1846, 2024, 2116, 2288, 2343, 2392, 2769, 3036, 3124, 3174, 3266, 3289, 3408, 3432, 3588, 3692, 4048, 4232, 4686, 4784, 4899, 5538, 5819, 6072, 6248, 6348, 6532, 6578, 6864, 6877, 7176, 7384, 8464, 9372, 9798, 9867, 10153, 11076, 11638, 12144, 12496, 12696, 13064, 13156, 13754, 14352, 14768, 17457, 17963, 18744, 19596, 19734, 20306, 20631, 21229, 22152, 23276, 25392, 26128, 26312, 27508, 30459, 34914, 35926, 37488, 37559, 39192, 39468, 40612, 41262, 42458, 44304, 46552, 52624, 53889, 55016, 60918, 63687, 69828, 71852, 75118, 75647, 78384, 78936, 81224, 82524, 84916, 93104, 107778, 110032, 112677, 121836, 127374, 139656, 143704, 150236, 151294, 157872, 162448, 165048, 169832, 215556, 225354, 226941, 233519, 243672, 254748, 279312, 287408, 300472, 302588, 330096, 339664, 413149, 431112, 450708, 453882, 467038, 487344, 488267, 509496, 600944, 605176, 700557, 826298, 862224, 901416, 907764, 934076, 976534, 1018992, 1210352, 1239447, 1401114, 1464801, 1652596, 1802832, 1815528, 1868152, 1953068, 2478894, 2802228, 2929602, 3305192, 3631056, 3736304, 3906136, 4957788, 5370937, 5604456, 5859204, 6610384, 7812272, 9915576, 10741874, 11208912, 11718408, 16112811, 19831152, 21483748, 23436816, 32225622, 42967496, 64451244, 85934992, 128902488, 257804976]

約数ペア:

[(1, 257804976), (2, 128902488), (3, 85934992), (4, 64451244), (6, 42967496), (8, 32225622), (11, 23436816), (12, 21483748), (13, 19831152), (16, 16112811), (22, 11718408), (23, 11208912), (24, 10741874), (26, 9915576), (33, 7812272), (39, 6610384), (44, 5859204), (46, 5604456), (48, 5370937), (52, 4957788), (66, 3906136), (69, 3736304), (71, 3631056), (78, 3305192), (88, 2929602), (92, 2802228), (104, 2478894), (132, 1953068), (138, 1868152), (142, 1815528), (143, 1802832), (156, 1652596), (176, 1464801), (184, 1401114), (208, 1239447), (213, 1210352), (253, 1018992), (264, 976534), (276, 934076), (284, 907764), (286, 901416), (299, 862224), (312, 826298), (368, 700557), (426, 605176), (429, 600944), (506, 509496), (528, 488267), (529, 487344), (552, 467038), (568, 453882), (572, 450708), (598, 431112), (624, 413149), (759, 339664), (781, 330096), (852, 302588), (858, 300472), (897, 287408), (923, 279312), (1012, 254748), (1058, 243672), (1104, 233519), (1136, 226941), (1144, 225354), (1196, 215556), (1518, 169832), (1562, 165048), (1587, 162448), (1633, 157872), (1704, 151294), (1716, 150236), (1794, 143704), (1846, 139656), (2024, 127374), (2116, 121836), (2288, 112677), (2343, 110032), (2392, 107778), (2769, 93104), (3036, 84916), (3124, 82524), (3174, 81224), (3266, 78936), (3289, 78384), (3408, 75647), (3432, 75118), (3588, 71852), (3692, 69828), (4048, 63687), (4232, 60918), (4686, 55016), (4784, 53889), (4899, 52624), (5538, 46552), (5819, 44304), (6072, 42458), (6248, 41262), (6348, 40612), (6532, 39468), (6578, 39192), (6864, 37559), (6877, 37488), (7176, 35926), (7384, 34914), (8464, 30459), (9372, 27508), (9798, 26312), (9867, 26128), (10153, 25392), (11076, 23276), (11638, 22152), (12144, 21229), (12496, 20631), (12696, 20306), (13064, 19734), (13156, 19596), (13754, 18744), (14352, 17963), (14768, 17457)]