81393870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2777}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 195615648

約数和(自身を除く): 114221778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 977, 1954, 2777, 2931, 4885, 5554, 5862, 8331, 9770, 13885, 14655, 16662, 27770, 29310, 41655, 83310, 2713129, 5426258, 8139387, 13565645, 16278774, 27131290, 40696935, 81393870]

約数ペア:

[(1, 81393870), (2, 40696935), (3, 27131290), (5, 16278774), (6, 13565645), (10, 8139387), (15, 5426258), (30, 2713129), (977, 83310), (1954, 41655), (2777, 29310), (2931, 27770), (4885, 16662), (5554, 14655), (5862, 13885), (8331, 9770)]