1572256816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7643}}^1$

素因数の和:7730

約数の個数: 80

約数和(自身を含む): 3503275776

約数和(自身を除く): 1931018960

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 208, 299, 344, 368, 559, 598, 688, 989, 1118, 1196, 1978, 2236, 2392, 3956, 4472, 4784, 7643, 7912, 8944, 12857, 15286, 15824, 25714, 30572, 51428, 61144, 99359, 102856, 122288, 175789, 198718, 205712, 328649, 351578, 397436, 657298, 703156, 794872, 1314596, 1406312, 1589744, 2285257, 2629192, 2812624, 4272437, 4570514, 5258384, 7558927, 8544874, 9141028, 15117854, 17089748, 18282056, 30235708, 34179496, 36564112, 60471416, 68358992, 98266051, 120942832, 196532102, 393064204, 786128408, 1572256816]

約数ペア:

[(1, 1572256816), (2, 786128408), (4, 393064204), (8, 196532102), (13, 120942832), (16, 98266051), (23, 68358992), (26, 60471416), (43, 36564112), (46, 34179496), (52, 30235708), (86, 18282056), (92, 17089748), (104, 15117854), (172, 9141028), (184, 8544874), (208, 7558927), (299, 5258384), (344, 4570514), (368, 4272437), (559, 2812624), (598, 2629192), (688, 2285257), (989, 1589744), (1118, 1406312), (1196, 1314596), (1978, 794872), (2236, 703156), (2392, 657298), (3956, 397436), (4472, 351578), (4784, 328649), (7643, 205712), (7912, 198718), (8944, 175789), (12857, 122288), (15286, 102856), (15824, 99359), (25714, 61144), (30572, 51428)]