256870656

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{5309}}^1$

素因数の和:5341

約数の個数: 144

約数和(自身を含む): 868291200

約数和(自身を除く): 611420544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 768, 864, 896, 1008, 1152, 1344, 1512, 1728, 1792, 2016, 2304, 2688, 3024, 3456, 4032, 5309, 5376, 6048, 6912, 8064, 10618, 12096, 15927, 16128, 21236, 24192, 31854, 37163, 42472, 47781, 48384, 63708, 74326, 84944, 95562, 111489, 127416, 143343, 148652, 169888, 191124, 222978, 254832, 286686, 297304, 334467, 339776, 382248, 445956, 509664, 573372, 594608, 668934, 679552, 764496, 891912, 1003401, 1019328, 1146744, 1189216, 1337868, 1359104, 1528992, 1783824, 2006802, 2038656, 2293488, 2378432, 2675736, 3057984, 3567648, 4013604, 4077312, 4586976, 4756864, 5351472, 6115968, 7135296, 8027208, 9173952, 9513728, 10702944, 12231936, 14270592, 16054416, 18347904, 21405888, 28541184, 32108832, 36695808, 42811776, 64217664, 85623552, 128435328, 256870656]

約数ペア:

[(1, 256870656), (2, 128435328), (3, 85623552), (4, 64217664), (6, 42811776), (7, 36695808), (8, 32108832), (9, 28541184), (12, 21405888), (14, 18347904), (16, 16054416), (18, 14270592), (21, 12231936), (24, 10702944), (27, 9513728), (28, 9173952), (32, 8027208), (36, 7135296), (42, 6115968), (48, 5351472), (54, 4756864), (56, 4586976), (63, 4077312), (64, 4013604), (72, 3567648), (84, 3057984), (96, 2675736), (108, 2378432), (112, 2293488), (126, 2038656), (128, 2006802), (144, 1783824), (168, 1528992), (189, 1359104), (192, 1337868), (216, 1189216), (224, 1146744), (252, 1019328), (256, 1003401), (288, 891912), (336, 764496), (378, 679552), (384, 668934), (432, 594608), (448, 573372), (504, 509664), (576, 445956), (672, 382248), (756, 339776), (768, 334467), (864, 297304), (896, 286686), (1008, 254832), (1152, 222978), (1344, 191124), (1512, 169888), (1728, 148652), (1792, 143343), (2016, 127416), (2304, 111489), (2688, 95562), (3024, 84944), (3456, 74326), (4032, 63708), (5309, 48384), (5376, 47781), (6048, 42472), (6912, 37163), (8064, 31854), (10618, 24192), (12096, 21236), (15927, 16128)]