79172820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439849}}^1$

素因数の和:439864

約数の個数: 36

約数和(自身を含む): 240158100

約数和(自身を除く): 160985280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439849, 879698, 1319547, 1759396, 2199245, 2639094, 3958641, 4398490, 5278188, 6597735, 7917282, 8796980, 13195470, 15834564, 19793205, 26390940, 39586410, 79172820]

約数ペア:

[(1, 79172820), (2, 39586410), (3, 26390940), (4, 19793205), (5, 15834564), (6, 13195470), (9, 8796980), (10, 7917282), (12, 6597735), (15, 5278188), (18, 4398490), (20, 3958641), (30, 2639094), (36, 2199245), (45, 1759396), (60, 1319547), (90, 879698), (180, 439849)]