80811978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 189235200

約数和(自身を除く): 108423222

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1759, 1767, 2418, 3518, 3534, 5277, 7657, 10554, 15314, 22867, 22971, 33421, 45734, 45942, 54529, 66842, 68601, 100263, 109058, 137202, 163587, 200526, 327174, 434473, 708877, 868946, 1036051, 1303419, 1417754, 2072102, 2126631, 2606838, 3108153, 4253262, 6216306, 13468663, 26937326, 40405989, 80811978]

約数ペア:

[(1, 80811978), (2, 40405989), (3, 26937326), (6, 13468663), (13, 6216306), (19, 4253262), (26, 3108153), (31, 2606838), (38, 2126631), (39, 2072102), (57, 1417754), (62, 1303419), (78, 1036051), (93, 868946), (114, 708877), (186, 434473), (247, 327174), (403, 200526), (494, 163587), (589, 137202), (741, 109058), (806, 100263), (1178, 68601), (1209, 66842), (1482, 54529), (1759, 45942), (1767, 45734), (2418, 33421), (3518, 22971), (3534, 22867), (5277, 15314), (7657, 10554)]