217218420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1206769}}^1$

素因数の和:1206784

約数の個数: 36

約数和(自身を含む): 658896420

約数和(自身を除く): 441678000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1206769, 2413538, 3620307, 4827076, 6033845, 7240614, 10860921, 12067690, 14481228, 18101535, 21721842, 24135380, 36203070, 43443684, 54304605, 72406140, 108609210, 217218420]

約数ペア:

[(1, 217218420), (2, 108609210), (3, 72406140), (4, 54304605), (5, 43443684), (6, 36203070), (9, 24135380), (10, 21721842), (12, 18101535), (15, 14481228), (18, 12067690), (20, 10860921), (30, 7240614), (36, 6033845), (45, 4827076), (60, 3620307), (90, 2413538), (180, 1206769)]