256975488

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2897}}^1$

素因数の和:2935

約数の個数: 192

約数和(自身を含む): 922259520

約数和(自身を除く): 665284032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 252, 264, 288, 308, 336, 352, 384, 396, 448, 462, 504, 528, 576, 616, 672, 693, 704, 792, 896, 924, 1008, 1056, 1152, 1232, 1344, 1386, 1408, 1584, 1848, 2016, 2112, 2464, 2688, 2772, 2897, 3168, 3696, 4032, 4224, 4928, 5544, 5794, 6336, 7392, 8064, 8691, 9856, 11088, 11588, 12672, 14784, 17382, 20279, 22176, 23176, 26073, 29568, 31867, 34764, 40558, 44352, 46352, 52146, 60837, 63734, 69528, 81116, 88704, 92704, 95601, 104292, 121674, 127468, 139056, 162232, 182511, 185408, 191202, 208584, 223069, 243348, 254936, 278112, 286803, 324464, 365022, 370816, 382404, 417168, 446138, 486696, 509872, 556224, 573606, 648928, 669207, 730044, 764808, 834336, 892276, 973392, 1019744, 1112448, 1147212, 1297856, 1338414, 1460088, 1529616, 1668672, 1784552, 1946784, 2007621, 2039488, 2294424, 2595712, 2676828, 2920176, 3059232, 3337344, 3569104, 3893568, 4015242, 4078976, 4588848, 5353656, 5840352, 6118464, 7138208, 7787136, 8030484, 9177696, 10707312, 11680704, 12236928, 14276416, 16060968, 18355392, 21414624, 23361408, 28552832, 32121936, 36710784, 42829248, 64243872, 85658496, 128487744, 256975488]

約数ペア:

[(1, 256975488), (2, 128487744), (3, 85658496), (4, 64243872), (6, 42829248), (7, 36710784), (8, 32121936), (9, 28552832), (11, 23361408), (12, 21414624), (14, 18355392), (16, 16060968), (18, 14276416), (21, 12236928), (22, 11680704), (24, 10707312), (28, 9177696), (32, 8030484), (33, 7787136), (36, 7138208), (42, 6118464), (44, 5840352), (48, 5353656), (56, 4588848), (63, 4078976), (64, 4015242), (66, 3893568), (72, 3569104), (77, 3337344), (84, 3059232), (88, 2920176), (96, 2676828), (99, 2595712), (112, 2294424), (126, 2039488), (128, 2007621), (132, 1946784), (144, 1784552), (154, 1668672), (168, 1529616), (176, 1460088), (192, 1338414), (198, 1297856), (224, 1147212), (231, 1112448), (252, 1019744), (264, 973392), (288, 892276), (308, 834336), (336, 764808), (352, 730044), (384, 669207), (396, 648928), (448, 573606), (462, 556224), (504, 509872), (528, 486696), (576, 446138), (616, 417168), (672, 382404), (693, 370816), (704, 365022), (792, 324464), (896, 286803), (924, 278112), (1008, 254936), (1056, 243348), (1152, 223069), (1232, 208584), (1344, 191202), (1386, 185408), (1408, 182511), (1584, 162232), (1848, 139056), (2016, 127468), (2112, 121674), (2464, 104292), (2688, 95601), (2772, 92704), (2897, 88704), (3168, 81116), (3696, 69528), (4032, 63734), (4224, 60837), (4928, 52146), (5544, 46352), (5794, 44352), (6336, 40558), (7392, 34764), (8064, 31867), (8691, 29568), (9856, 26073), (11088, 23176), (11588, 22176), (12672, 20279), (14784, 17382)]