81511824

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 223596800

約数和(自身を除く): 142084976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 139, 152, 228, 278, 304, 417, 456, 556, 643, 834, 912, 1112, 1286, 1668, 1929, 2224, 2572, 2641, 3336, 3858, 5144, 5282, 6672, 7716, 7923, 10288, 10564, 12217, 15432, 15846, 21128, 24434, 30864, 31692, 36651, 42256, 48868, 63384, 73302, 89377, 97736, 126768, 146604, 178754, 195472, 268131, 293208, 357508, 536262, 586416, 715016, 1072524, 1430032, 1698163, 2145048, 3396326, 4290096, 5094489, 6792652, 10188978, 13585304, 20377956, 27170608, 40755912, 81511824]

約数ペア:

[(1, 81511824), (2, 40755912), (3, 27170608), (4, 20377956), (6, 13585304), (8, 10188978), (12, 6792652), (16, 5094489), (19, 4290096), (24, 3396326), (38, 2145048), (48, 1698163), (57, 1430032), (76, 1072524), (114, 715016), (139, 586416), (152, 536262), (228, 357508), (278, 293208), (304, 268131), (417, 195472), (456, 178754), (556, 146604), (643, 126768), (834, 97736), (912, 89377), (1112, 73302), (1286, 63384), (1668, 48868), (1929, 42256), (2224, 36651), (2572, 31692), (2641, 30864), (3336, 24434), (3858, 21128), (5144, 15846), (5282, 15432), (6672, 12217), (7716, 10564), (7923, 10288)]