256141728

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 754790400

約数和(自身を除く): 498648672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 127, 141, 144, 149, 188, 254, 282, 288, 298, 376, 381, 423, 447, 508, 564, 596, 752, 762, 846, 894, 1016, 1128, 1143, 1192, 1341, 1504, 1524, 1692, 1788, 2032, 2256, 2286, 2384, 2682, 3048, 3384, 3576, 4064, 4512, 4572, 4768, 5364, 5969, 6096, 6768, 7003, 7152, 9144, 10728, 11938, 12192, 13536, 14006, 14304, 17907, 18288, 18923, 21009, 21456, 23876, 28012, 35814, 36576, 37846, 42018, 42912, 47752, 53721, 56024, 56769, 63027, 71628, 75692, 84036, 95504, 107442, 112048, 113538, 126054, 143256, 151384, 168072, 170307, 191008, 214884, 224096, 227076, 252108, 286512, 302768, 336144, 340614, 429768, 454152, 504216, 573024, 605536, 672288, 681228, 859536, 889381, 908304, 1008432, 1362456, 1719072, 1778762, 1816608, 2016864, 2668143, 2724912, 3557524, 5336286, 5449824, 7115048, 8004429, 10672572, 14230096, 16008858, 21345144, 28460192, 32017716, 42690288, 64035432, 85380576, 128070864, 256141728]

約数ペア:

[(1, 256141728), (2, 128070864), (3, 85380576), (4, 64035432), (6, 42690288), (8, 32017716), (9, 28460192), (12, 21345144), (16, 16008858), (18, 14230096), (24, 10672572), (32, 8004429), (36, 7115048), (47, 5449824), (48, 5336286), (72, 3557524), (94, 2724912), (96, 2668143), (127, 2016864), (141, 1816608), (144, 1778762), (149, 1719072), (188, 1362456), (254, 1008432), (282, 908304), (288, 889381), (298, 859536), (376, 681228), (381, 672288), (423, 605536), (447, 573024), (508, 504216), (564, 454152), (596, 429768), (752, 340614), (762, 336144), (846, 302768), (894, 286512), (1016, 252108), (1128, 227076), (1143, 224096), (1192, 214884), (1341, 191008), (1504, 170307), (1524, 168072), (1692, 151384), (1788, 143256), (2032, 126054), (2256, 113538), (2286, 112048), (2384, 107442), (2682, 95504), (3048, 84036), (3384, 75692), (3576, 71628), (4064, 63027), (4512, 56769), (4572, 56024), (4768, 53721), (5364, 47752), (5969, 42912), (6096, 42018), (6768, 37846), (7003, 36576), (7152, 35814), (9144, 28012), (10728, 23876), (11938, 21456), (12192, 21009), (13536, 18923), (14006, 18288), (14304, 17907)]