257054976

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 790782720

約数和(自身を除く): 533727744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 59, 61, 62, 64, 72, 93, 96, 118, 122, 124, 128, 144, 177, 183, 186, 192, 236, 244, 248, 256, 279, 288, 354, 366, 372, 384, 472, 488, 496, 531, 549, 558, 576, 708, 732, 744, 768, 944, 976, 992, 1062, 1098, 1116, 1152, 1416, 1464, 1488, 1829, 1888, 1891, 1952, 1984, 2124, 2196, 2232, 2304, 2832, 2928, 2976, 3599, 3658, 3776, 3782, 3904, 3968, 4248, 4392, 4464, 5487, 5664, 5673, 5856, 5952, 7198, 7316, 7552, 7564, 7808, 7936, 8496, 8784, 8928, 10797, 10974, 11328, 11346, 11712, 11904, 14396, 14632, 15104, 15128, 15616, 16461, 16992, 17019, 17568, 17856, 21594, 21948, 22656, 22692, 23424, 23808, 28792, 29264, 30256, 32391, 32922, 33984, 34038, 35136, 35712, 43188, 43896, 45312, 45384, 46848, 57584, 58528, 60512, 64782, 65844, 67968, 68076, 70272, 71424, 86376, 87792, 90768, 111569, 115168, 117056, 121024, 129564, 131688, 135936, 136152, 140544, 172752, 175584, 181536, 223138, 230336, 234112, 242048, 259128, 263376, 272304, 334707, 345504, 351168, 363072, 446276, 460672, 468224, 484096, 518256, 526752, 544608, 669414, 691008, 702336, 726144, 892552, 921344, 1004121, 1036512, 1053504, 1089216, 1338828, 1382016, 1404672, 1452288, 1785104, 2008242, 2073024, 2107008, 2178432, 2677656, 2764032, 3570208, 4016484, 4146048, 4214016, 4356864, 5355312, 7140416, 8032968, 8292096, 10710624, 14280832, 16065936, 21421248, 28561664, 32131872, 42842496, 64263744, 85684992, 128527488, 257054976]

約数ペア:

[(1, 257054976), (2, 128527488), (3, 85684992), (4, 64263744), (6, 42842496), (8, 32131872), (9, 28561664), (12, 21421248), (16, 16065936), (18, 14280832), (24, 10710624), (31, 8292096), (32, 8032968), (36, 7140416), (48, 5355312), (59, 4356864), (61, 4214016), (62, 4146048), (64, 4016484), (72, 3570208), (93, 2764032), (96, 2677656), (118, 2178432), (122, 2107008), (124, 2073024), (128, 2008242), (144, 1785104), (177, 1452288), (183, 1404672), (186, 1382016), (192, 1338828), (236, 1089216), (244, 1053504), (248, 1036512), (256, 1004121), (279, 921344), (288, 892552), (354, 726144), (366, 702336), (372, 691008), (384, 669414), (472, 544608), (488, 526752), (496, 518256), (531, 484096), (549, 468224), (558, 460672), (576, 446276), (708, 363072), (732, 351168), (744, 345504), (768, 334707), (944, 272304), (976, 263376), (992, 259128), (1062, 242048), (1098, 234112), (1116, 230336), (1152, 223138), (1416, 181536), (1464, 175584), (1488, 172752), (1829, 140544), (1888, 136152), (1891, 135936), (1952, 131688), (1984, 129564), (2124, 121024), (2196, 117056), (2232, 115168), (2304, 111569), (2832, 90768), (2928, 87792), (2976, 86376), (3599, 71424), (3658, 70272), (3776, 68076), (3782, 67968), (3904, 65844), (3968, 64782), (4248, 60512), (4392, 58528), (4464, 57584), (5487, 46848), (5664, 45384), (5673, 45312), (5856, 43896), (5952, 43188), (7198, 35712), (7316, 35136), (7552, 34038), (7564, 33984), (7808, 32922), (7936, 32391), (8496, 30256), (8784, 29264), (8928, 28792), (10797, 23808), (10974, 23424), (11328, 22692), (11346, 22656), (11712, 21948), (11904, 21594), (14396, 17856), (14632, 17568), (15104, 17019), (15128, 16992), (15616, 16461)]