80661564

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{12379}}^1$

素因数の和:12570

約数の個数: 36

約数和(自身を含む): 205037560

約数和(自身を除く): 124375996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 12379, 24758, 37137, 49516, 74274, 111411, 148548, 222822, 445644, 2240599, 4481198, 6721797, 8962396, 13443594, 20165391, 26887188, 40330782, 80661564]

約数ペア:

[(1, 80661564), (2, 40330782), (3, 26887188), (4, 20165391), (6, 13443594), (9, 8962396), (12, 6721797), (18, 4481198), (36, 2240599), (181, 445644), (362, 222822), (543, 148548), (724, 111411), (1086, 74274), (1629, 49516), (2172, 37137), (3258, 24758), (6516, 12379)]