645121664

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 96

約数和(自身を含む): 1474895520

約数和(自身を除く): 829773856

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 121, 128, 176, 184, 242, 253, 352, 368, 484, 506, 704, 736, 968, 1012, 1408, 1472, 1811, 1936, 2024, 2783, 2944, 3622, 3872, 4048, 5566, 7244, 7744, 8096, 11132, 14488, 15488, 16192, 19921, 22264, 28976, 32384, 39842, 41653, 44528, 57952, 79684, 83306, 89056, 115904, 159368, 166612, 178112, 219131, 231808, 318736, 333224, 356224, 438262, 458183, 637472, 666448, 876524, 916366, 1274944, 1332896, 1753048, 1832732, 2549888, 2665792, 3506096, 3665464, 5040013, 5331584, 7012192, 7330928, 10080026, 14024384, 14661856, 20160052, 28048768, 29323712, 40320104, 58647424, 80640208, 161280416, 322560832, 645121664]

約数ペア:

[(1, 645121664), (2, 322560832), (4, 161280416), (8, 80640208), (11, 58647424), (16, 40320104), (22, 29323712), (23, 28048768), (32, 20160052), (44, 14661856), (46, 14024384), (64, 10080026), (88, 7330928), (92, 7012192), (121, 5331584), (128, 5040013), (176, 3665464), (184, 3506096), (242, 2665792), (253, 2549888), (352, 1832732), (368, 1753048), (484, 1332896), (506, 1274944), (704, 916366), (736, 876524), (968, 666448), (1012, 637472), (1408, 458183), (1472, 438262), (1811, 356224), (1936, 333224), (2024, 318736), (2783, 231808), (2944, 219131), (3622, 178112), (3872, 166612), (4048, 159368), (5566, 115904), (7244, 89056), (7744, 83306), (8096, 79684), (11132, 57952), (14488, 44528), (15488, 41653), (16192, 39842), (19921, 32384), (22264, 28976)]