660968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 1641600

約数和(自身を除く): 980632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 37, 44, 56, 58, 74, 77, 88, 116, 148, 154, 203, 232, 259, 296, 308, 319, 406, 407, 518, 616, 638, 812, 814, 1036, 1073, 1276, 1624, 1628, 2072, 2146, 2233, 2552, 2849, 3256, 4292, 4466, 5698, 7511, 8584, 8932, 11396, 11803, 15022, 17864, 22792, 23606, 30044, 47212, 60088, 82621, 94424, 165242, 330484, 660968]

約数ペア:

[(1, 660968), (2, 330484), (4, 165242), (7, 94424), (8, 82621), (11, 60088), (14, 47212), (22, 30044), (28, 23606), (29, 22792), (37, 17864), (44, 15022), (56, 11803), (58, 11396), (74, 8932), (77, 8584), (88, 7511), (116, 5698), (148, 4466), (154, 4292), (203, 3256), (232, 2849), (259, 2552), (296, 2233), (308, 2146), (319, 2072), (406, 1628), (407, 1624), (518, 1276), (616, 1073), (638, 1036), (812, 814)]