80721324

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{19843}}^1$

素因数の和:19966

約数の個数: 36

約数和(自身を含む): 205861656

約数和(自身を除く): 125140332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 19843, 39686, 59529, 79372, 119058, 178587, 238116, 357174, 714348, 2242259, 4484518, 6726777, 8969036, 13453554, 20180331, 26907108, 40360662, 80721324]

約数ペア:

[(1, 80721324), (2, 40360662), (3, 26907108), (4, 20180331), (6, 13453554), (9, 8969036), (12, 6726777), (18, 4484518), (36, 2242259), (113, 714348), (226, 357174), (339, 238116), (452, 178587), (678, 119058), (1017, 79372), (1356, 59529), (2034, 39686), (4068, 19843)]