257275872

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 896313600

約数和(自身を除く): 639037728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 59, 63, 72, 84, 96, 98, 103, 108, 112, 118, 126, 144, 147, 168, 177, 189, 196, 206, 216, 224, 236, 252, 288, 294, 309, 336, 354, 378, 392, 412, 413, 432, 441, 472, 504, 531, 588, 618, 672, 708, 721, 756, 784, 824, 826, 864, 882, 927, 944, 1008, 1062, 1176, 1236, 1239, 1323, 1416, 1442, 1512, 1568, 1593, 1648, 1652, 1764, 1854, 1888, 2016, 2124, 2163, 2352, 2472, 2478, 2646, 2781, 2832, 2884, 2891, 3024, 3186, 3296, 3304, 3528, 3708, 3717, 4248, 4326, 4704, 4944, 4956, 5047, 5292, 5562, 5664, 5768, 5782, 6048, 6077, 6372, 6489, 6608, 7056, 7416, 7434, 8496, 8652, 8673, 9888, 9912, 10094, 10584, 11124, 11151, 11536, 11564, 12154, 12744, 12978, 13216, 14112, 14832, 14868, 15141, 16992, 17304, 17346, 18231, 19467, 19824, 20188, 21168, 22248, 22302, 23072, 23128, 24308, 25488, 25956, 26019, 29664, 29736, 30282, 34608, 34692, 36462, 38934, 39648, 40376, 42336, 42539, 44496, 44604, 45423, 46256, 48616, 50976, 51912, 52038, 54693, 59472, 60564, 69216, 69384, 72924, 77868, 78057, 80752, 85078, 88992, 89208, 90846, 92512, 97232, 103824, 104076, 109386, 118944, 121128, 127617, 136269, 138768, 145848, 155736, 156114, 161504, 164079, 170156, 178416, 181692, 194464, 207648, 208152, 218772, 242256, 255234, 272538, 277536, 291696, 297773, 311472, 312228, 328158, 340312, 356832, 363384, 382851, 416304, 437544, 484512, 510468, 545076, 583392, 595546, 622944, 624456, 656316, 680624, 726768, 765702, 832608, 875088, 893319, 1020936, 1090152, 1148553, 1191092, 1248912, 1312632, 1361248, 1453536, 1531404, 1750176, 1786638, 2041872, 2180304, 2297106, 2382184, 2497824, 2625264, 2679957, 3062808, 3573276, 4083744, 4360608, 4594212, 4764368, 5250528, 5359914, 6125616, 7146552, 8039871, 9188424, 9528736, 10719828, 12251232, 14293104, 16079742, 18376848, 21439656, 28586208, 32159484, 36753696, 42879312, 64318968, 85758624, 128637936, 257275872]

約数ペア:

[(1, 257275872), (2, 128637936), (3, 85758624), (4, 64318968), (6, 42879312), (7, 36753696), (8, 32159484), (9, 28586208), (12, 21439656), (14, 18376848), (16, 16079742), (18, 14293104), (21, 12251232), (24, 10719828), (27, 9528736), (28, 9188424), (32, 8039871), (36, 7146552), (42, 6125616), (48, 5359914), (49, 5250528), (54, 4764368), (56, 4594212), (59, 4360608), (63, 4083744), (72, 3573276), (84, 3062808), (96, 2679957), (98, 2625264), (103, 2497824), (108, 2382184), (112, 2297106), (118, 2180304), (126, 2041872), (144, 1786638), (147, 1750176), (168, 1531404), (177, 1453536), (189, 1361248), (196, 1312632), (206, 1248912), (216, 1191092), (224, 1148553), (236, 1090152), (252, 1020936), (288, 893319), (294, 875088), (309, 832608), (336, 765702), (354, 726768), (378, 680624), (392, 656316), (412, 624456), (413, 622944), (432, 595546), (441, 583392), (472, 545076), (504, 510468), (531, 484512), (588, 437544), (618, 416304), (672, 382851), (708, 363384), (721, 356832), (756, 340312), (784, 328158), (824, 312228), (826, 311472), (864, 297773), (882, 291696), (927, 277536), (944, 272538), (1008, 255234), (1062, 242256), (1176, 218772), (1236, 208152), (1239, 207648), (1323, 194464), (1416, 181692), (1442, 178416), (1512, 170156), (1568, 164079), (1593, 161504), (1648, 156114), (1652, 155736), (1764, 145848), (1854, 138768), (1888, 136269), (2016, 127617), (2124, 121128), (2163, 118944), (2352, 109386), (2472, 104076), (2478, 103824), (2646, 97232), (2781, 92512), (2832, 90846), (2884, 89208), (2891, 88992), (3024, 85078), (3186, 80752), (3296, 78057), (3304, 77868), (3528, 72924), (3708, 69384), (3717, 69216), (4248, 60564), (4326, 59472), (4704, 54693), (4944, 52038), (4956, 51912), (5047, 50976), (5292, 48616), (5562, 46256), (5664, 45423), (5768, 44604), (5782, 44496), (6048, 42539), (6077, 42336), (6372, 40376), (6489, 39648), (6608, 38934), (7056, 36462), (7416, 34692), (7434, 34608), (8496, 30282), (8652, 29736), (8673, 29664), (9888, 26019), (9912, 25956), (10094, 25488), (10584, 24308), (11124, 23128), (11151, 23072), (11536, 22302), (11564, 22248), (12154, 21168), (12744, 20188), (12978, 19824), (13216, 19467), (14112, 18231), (14832, 17346), (14868, 17304), (15141, 16992)]