1256649984

素因数分解:

$2^8\times 3^3\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:953

約数の個数: 144

約数和(自身を含む): 3735123840

約数和(自身を除く): 2478473856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 281, 288, 384, 432, 562, 576, 647, 768, 843, 864, 1124, 1152, 1294, 1686, 1728, 1941, 2248, 2304, 2529, 2588, 3372, 3456, 3882, 4496, 5058, 5176, 5823, 6744, 6912, 7587, 7764, 8992, 10116, 10352, 11646, 13488, 15174, 15528, 17469, 17984, 20232, 20704, 23292, 26976, 30348, 31056, 34938, 35968, 40464, 41408, 46584, 53952, 60696, 62112, 69876, 71936, 80928, 82816, 93168, 107904, 121392, 124224, 139752, 161856, 165632, 181807, 186336, 215808, 242784, 248448, 279504, 323712, 363614, 372672, 485568, 496896, 545421, 559008, 647424, 727228, 745344, 971136, 1090842, 1118016, 1454456, 1490688, 1636263, 1942272, 2181684, 2236032, 2908912, 3272526, 4363368, 4472064, 4908789, 5817824, 6545052, 8726736, 9817578, 11635648, 13090104, 17453472, 19635156, 23271296, 26180208, 34906944, 39270312, 46542592, 52360416, 69813888, 78540624, 104720832, 139627776, 157081248, 209441664, 314162496, 418883328, 628324992, 1256649984]

約数ペア:

[(1, 1256649984), (2, 628324992), (3, 418883328), (4, 314162496), (6, 209441664), (8, 157081248), (9, 139627776), (12, 104720832), (16, 78540624), (18, 69813888), (24, 52360416), (27, 46542592), (32, 39270312), (36, 34906944), (48, 26180208), (54, 23271296), (64, 19635156), (72, 17453472), (96, 13090104), (108, 11635648), (128, 9817578), (144, 8726736), (192, 6545052), (216, 5817824), (256, 4908789), (281, 4472064), (288, 4363368), (384, 3272526), (432, 2908912), (562, 2236032), (576, 2181684), (647, 1942272), (768, 1636263), (843, 1490688), (864, 1454456), (1124, 1118016), (1152, 1090842), (1294, 971136), (1686, 745344), (1728, 727228), (1941, 647424), (2248, 559008), (2304, 545421), (2529, 496896), (2588, 485568), (3372, 372672), (3456, 363614), (3882, 323712), (4496, 279504), (5058, 248448), (5176, 242784), (5823, 215808), (6744, 186336), (6912, 181807), (7587, 165632), (7764, 161856), (8992, 139752), (10116, 124224), (10352, 121392), (11646, 107904), (13488, 93168), (15174, 82816), (15528, 80928), (17469, 71936), (17984, 69876), (20232, 62112), (20704, 60696), (23292, 53952), (26976, 46584), (30348, 41408), (31056, 40464), (34938, 35968)]