257271168

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 288

約数和(自身を含む): 881518680

約数和(自身を除く): 624247512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 64, 66, 77, 84, 88, 96, 98, 112, 113, 121, 128, 132, 147, 154, 168, 176, 192, 196, 224, 226, 231, 242, 264, 294, 308, 336, 339, 352, 363, 384, 392, 448, 452, 462, 484, 528, 539, 588, 616, 672, 678, 704, 726, 784, 791, 847, 896, 904, 924, 968, 1056, 1078, 1176, 1232, 1243, 1344, 1356, 1408, 1452, 1568, 1582, 1617, 1694, 1808, 1848, 1936, 2112, 2156, 2352, 2373, 2464, 2486, 2541, 2688, 2712, 2904, 3136, 3164, 3234, 3388, 3616, 3696, 3729, 3872, 4224, 4312, 4704, 4746, 4928, 4972, 5082, 5424, 5537, 5808, 5929, 6272, 6328, 6468, 6776, 7232, 7392, 7458, 7744, 8624, 8701, 9408, 9492, 9856, 9944, 10164, 10848, 11074, 11616, 11858, 12656, 12936, 13552, 13673, 14464, 14784, 14916, 15488, 16611, 17248, 17402, 17787, 18816, 18984, 19888, 20328, 21696, 22148, 23232, 23716, 25312, 25872, 26103, 27104, 27346, 29568, 29832, 33222, 34496, 34804, 35574, 37968, 39776, 40656, 41019, 43392, 44296, 46464, 47432, 50624, 51744, 52206, 54208, 54692, 59664, 60907, 66444, 68992, 69608, 71148, 75936, 79552, 81312, 82038, 88592, 94864, 95711, 101248, 103488, 104412, 108416, 109384, 119328, 121814, 132888, 139216, 142296, 151872, 159104, 162624, 164076, 177184, 182721, 189728, 191422, 206976, 208824, 218768, 238656, 243628, 265776, 278432, 284592, 287133, 303744, 325248, 328152, 354368, 365442, 379456, 382844, 417648, 437536, 477312, 487256, 531552, 556864, 569184, 574266, 656304, 669977, 708736, 730884, 758912, 765688, 835296, 875072, 974512, 1063104, 1113728, 1138368, 1148532, 1312608, 1339954, 1461768, 1531376, 1670592, 1750144, 1949024, 2009931, 2126208, 2276736, 2297064, 2625216, 2679908, 2923536, 3062752, 3341184, 3898048, 4019862, 4594128, 5250432, 5359816, 5847072, 6125504, 7796096, 8039724, 9188256, 10719632, 11694144, 12251008, 16079448, 18376512, 21439264, 23388288, 32158896, 36753024, 42878528, 64317792, 85757056, 128635584, 257271168]

約数ペア:

[(1, 257271168), (2, 128635584), (3, 85757056), (4, 64317792), (6, 42878528), (7, 36753024), (8, 32158896), (11, 23388288), (12, 21439264), (14, 18376512), (16, 16079448), (21, 12251008), (22, 11694144), (24, 10719632), (28, 9188256), (32, 8039724), (33, 7796096), (42, 6125504), (44, 5847072), (48, 5359816), (49, 5250432), (56, 4594128), (64, 4019862), (66, 3898048), (77, 3341184), (84, 3062752), (88, 2923536), (96, 2679908), (98, 2625216), (112, 2297064), (113, 2276736), (121, 2126208), (128, 2009931), (132, 1949024), (147, 1750144), (154, 1670592), (168, 1531376), (176, 1461768), (192, 1339954), (196, 1312608), (224, 1148532), (226, 1138368), (231, 1113728), (242, 1063104), (264, 974512), (294, 875072), (308, 835296), (336, 765688), (339, 758912), (352, 730884), (363, 708736), (384, 669977), (392, 656304), (448, 574266), (452, 569184), (462, 556864), (484, 531552), (528, 487256), (539, 477312), (588, 437536), (616, 417648), (672, 382844), (678, 379456), (704, 365442), (726, 354368), (784, 328152), (791, 325248), (847, 303744), (896, 287133), (904, 284592), (924, 278432), (968, 265776), (1056, 243628), (1078, 238656), (1176, 218768), (1232, 208824), (1243, 206976), (1344, 191422), (1356, 189728), (1408, 182721), (1452, 177184), (1568, 164076), (1582, 162624), (1617, 159104), (1694, 151872), (1808, 142296), (1848, 139216), (1936, 132888), (2112, 121814), (2156, 119328), (2352, 109384), (2373, 108416), (2464, 104412), (2486, 103488), (2541, 101248), (2688, 95711), (2712, 94864), (2904, 88592), (3136, 82038), (3164, 81312), (3234, 79552), (3388, 75936), (3616, 71148), (3696, 69608), (3729, 68992), (3872, 66444), (4224, 60907), (4312, 59664), (4704, 54692), (4746, 54208), (4928, 52206), (4972, 51744), (5082, 50624), (5424, 47432), (5537, 46464), (5808, 44296), (5929, 43392), (6272, 41019), (6328, 40656), (6468, 39776), (6776, 37968), (7232, 35574), (7392, 34804), (7458, 34496), (7744, 33222), (8624, 29832), (8701, 29568), (9408, 27346), (9492, 27104), (9856, 26103), (9944, 25872), (10164, 25312), (10848, 23716), (11074, 23232), (11616, 22148), (11858, 21696), (12656, 20328), (12936, 19888), (13552, 18984), (13673, 18816), (14464, 17787), (14784, 17402), (14916, 17248), (15488, 16611)]