72043740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400243}}^1$

素因数の和:400258

約数の個数: 36

約数和(自身を含む): 218533224

約数和(自身を除く): 146489484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400243, 800486, 1200729, 1600972, 2001215, 2401458, 3602187, 4002430, 4802916, 6003645, 7204374, 8004860, 12007290, 14408748, 18010935, 24014580, 36021870, 72043740]

約数ペア:

[(1, 72043740), (2, 36021870), (3, 24014580), (4, 18010935), (5, 14408748), (6, 12007290), (9, 8004860), (10, 7204374), (12, 6003645), (15, 4802916), (18, 4002430), (20, 3602187), (30, 2401458), (36, 2001215), (45, 1600972), (60, 1200729), (90, 800486), (180, 400243)]