256812864

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 224

約数和(自身を含む): 877824000

約数和(自身を除く): 621011136

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 29, 32, 33, 42, 44, 48, 56, 58, 64, 66, 77, 84, 87, 88, 96, 112, 116, 132, 154, 168, 174, 176, 192, 203, 224, 231, 232, 264, 308, 319, 336, 348, 352, 406, 448, 462, 464, 528, 599, 609, 616, 638, 672, 696, 704, 812, 924, 928, 957, 1056, 1198, 1218, 1232, 1276, 1344, 1392, 1624, 1797, 1848, 1856, 1914, 2112, 2233, 2396, 2436, 2464, 2552, 2784, 3248, 3594, 3696, 3828, 4193, 4466, 4792, 4872, 4928, 5104, 5568, 6496, 6589, 6699, 7188, 7392, 7656, 8386, 8932, 9584, 9744, 10208, 12579, 12992, 13178, 13398, 14376, 14784, 15312, 16772, 17371, 17864, 19168, 19488, 19767, 20416, 25158, 26356, 26796, 28752, 30624, 33544, 34742, 35728, 38336, 38976, 39534, 46123, 50316, 52113, 52712, 53592, 57504, 61248, 67088, 69484, 71456, 79068, 92246, 100632, 104226, 105424, 107184, 115008, 121597, 134176, 138369, 138968, 142912, 158136, 184492, 191081, 201264, 208452, 210848, 214368, 243194, 268352, 276738, 277936, 316272, 364791, 368984, 382162, 402528, 416904, 421696, 428736, 486388, 553476, 555872, 573243, 632544, 729582, 737968, 764324, 805056, 833808, 972776, 1106952, 1111744, 1146486, 1265088, 1337567, 1459164, 1475936, 1528648, 1667616, 1945552, 2213904, 2292972, 2675134, 2918328, 2951872, 3057296, 3335232, 3891104, 4012701, 4427808, 4585944, 5350268, 5836656, 6114592, 7782208, 8025402, 8855616, 9171888, 10700536, 11673312, 12229184, 16050804, 18343776, 21401072, 23346624, 32101608, 36687552, 42802144, 64203216, 85604288, 128406432, 256812864]

約数ペア:

[(1, 256812864), (2, 128406432), (3, 85604288), (4, 64203216), (6, 42802144), (7, 36687552), (8, 32101608), (11, 23346624), (12, 21401072), (14, 18343776), (16, 16050804), (21, 12229184), (22, 11673312), (24, 10700536), (28, 9171888), (29, 8855616), (32, 8025402), (33, 7782208), (42, 6114592), (44, 5836656), (48, 5350268), (56, 4585944), (58, 4427808), (64, 4012701), (66, 3891104), (77, 3335232), (84, 3057296), (87, 2951872), (88, 2918328), (96, 2675134), (112, 2292972), (116, 2213904), (132, 1945552), (154, 1667616), (168, 1528648), (174, 1475936), (176, 1459164), (192, 1337567), (203, 1265088), (224, 1146486), (231, 1111744), (232, 1106952), (264, 972776), (308, 833808), (319, 805056), (336, 764324), (348, 737968), (352, 729582), (406, 632544), (448, 573243), (462, 555872), (464, 553476), (528, 486388), (599, 428736), (609, 421696), (616, 416904), (638, 402528), (672, 382162), (696, 368984), (704, 364791), (812, 316272), (924, 277936), (928, 276738), (957, 268352), (1056, 243194), (1198, 214368), (1218, 210848), (1232, 208452), (1276, 201264), (1344, 191081), (1392, 184492), (1624, 158136), (1797, 142912), (1848, 138968), (1856, 138369), (1914, 134176), (2112, 121597), (2233, 115008), (2396, 107184), (2436, 105424), (2464, 104226), (2552, 100632), (2784, 92246), (3248, 79068), (3594, 71456), (3696, 69484), (3828, 67088), (4193, 61248), (4466, 57504), (4792, 53592), (4872, 52712), (4928, 52113), (5104, 50316), (5568, 46123), (6496, 39534), (6589, 38976), (6699, 38336), (7188, 35728), (7392, 34742), (7656, 33544), (8386, 30624), (8932, 28752), (9584, 26796), (9744, 26356), (10208, 25158), (12579, 20416), (12992, 19767), (13178, 19488), (13398, 19168), (14376, 17864), (14784, 17371), (15312, 16772)]