321976160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16631}}^1$

素因数の和:16668

約数の個数: 72

約数和(自身を含む): 836157168

約数和(自身を除く): 514181008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 16631, 19360, 33262, 66524, 83155, 133048, 166310, 182941, 266096, 332620, 365882, 532192, 665240, 731764, 914705, 1330480, 1463528, 1829410, 2012351, 2660960, 2927056, 3658820, 4024702, 5854112, 7317640, 8049404, 10061755, 14635280, 16098808, 20123510, 29270560, 32197616, 40247020, 64395232, 80494040, 160988080, 321976160]

約数ペア:

[(1, 321976160), (2, 160988080), (4, 80494040), (5, 64395232), (8, 40247020), (10, 32197616), (11, 29270560), (16, 20123510), (20, 16098808), (22, 14635280), (32, 10061755), (40, 8049404), (44, 7317640), (55, 5854112), (80, 4024702), (88, 3658820), (110, 2927056), (121, 2660960), (160, 2012351), (176, 1829410), (220, 1463528), (242, 1330480), (352, 914705), (440, 731764), (484, 665240), (605, 532192), (880, 365882), (968, 332620), (1210, 266096), (1760, 182941), (1936, 166310), (2420, 133048), (3872, 83155), (4840, 66524), (9680, 33262), (16631, 19360)]