256805472

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 192

約数和(自身を含む): 858816000

約数和(自身を除く): 602010528

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, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 343, 352, 392, 462, 528, 539, 588, 616, 672, 686, 709, 784, 924, 1029, 1056, 1078, 1176, 1232, 1372, 1418, 1568, 1617, 1848, 2058, 2127, 2156, 2352, 2464, 2744, 2836, 3234, 3696, 3773, 4116, 4254, 4312, 4704, 4963, 5488, 5672, 6468, 7392, 7546, 7799, 8232, 8508, 8624, 9926, 10976, 11319, 11344, 12936, 14889, 15092, 15598, 16464, 17016, 17248, 19852, 22638, 22688, 23397, 25872, 29778, 30184, 31196, 32928, 34032, 34741, 39704, 45276, 46794, 51744, 54593, 59556, 60368, 62392, 68064, 69482, 79408, 90552, 93588, 104223, 109186, 119112, 120736, 124784, 138964, 158816, 163779, 181104, 187176, 208446, 218372, 238224, 243187, 249568, 277928, 327558, 362208, 374352, 382151, 416892, 436744, 476448, 486374, 555856, 655116, 729561, 748704, 764302, 833784, 873488, 972748, 1111712, 1146453, 1310232, 1459122, 1528604, 1667568, 1746976, 1945496, 2292906, 2620464, 2675057, 2918244, 3057208, 3335136, 3890992, 4585812, 5240928, 5350114, 5836488, 6114416, 7781984, 8025171, 9171624, 10700228, 11672976, 12228832, 16050342, 18343248, 21400456, 23345952, 32100684, 36686496, 42800912, 64201368, 85601824, 128402736, 256805472]

約数ペア:

[(1, 256805472), (2, 128402736), (3, 85601824), (4, 64201368), (6, 42800912), (7, 36686496), (8, 32100684), (11, 23345952), (12, 21400456), (14, 18343248), (16, 16050342), (21, 12228832), (22, 11672976), (24, 10700228), (28, 9171624), (32, 8025171), (33, 7781984), (42, 6114416), (44, 5836488), (48, 5350114), (49, 5240928), (56, 4585812), (66, 3890992), (77, 3335136), (84, 3057208), (88, 2918244), (96, 2675057), (98, 2620464), (112, 2292906), (132, 1945496), (147, 1746976), (154, 1667568), (168, 1528604), (176, 1459122), (196, 1310232), (224, 1146453), (231, 1111712), (264, 972748), (294, 873488), (308, 833784), (336, 764302), (343, 748704), (352, 729561), (392, 655116), (462, 555856), (528, 486374), (539, 476448), (588, 436744), (616, 416892), (672, 382151), (686, 374352), (709, 362208), (784, 327558), (924, 277928), (1029, 249568), (1056, 243187), (1078, 238224), (1176, 218372), (1232, 208446), (1372, 187176), (1418, 181104), (1568, 163779), (1617, 158816), (1848, 138964), (2058, 124784), (2127, 120736), (2156, 119112), (2352, 109186), (2464, 104223), (2744, 93588), (2836, 90552), (3234, 79408), (3696, 69482), (3773, 68064), (4116, 62392), (4254, 60368), (4312, 59556), (4704, 54593), (4963, 51744), (5488, 46794), (5672, 45276), (6468, 39704), (7392, 34741), (7546, 34032), (7799, 32928), (8232, 31196), (8508, 30184), (8624, 29778), (9926, 25872), (10976, 23397), (11319, 22688), (11344, 22638), (12936, 19852), (14889, 17248), (15092, 17016), (15598, 16464)]