218741220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1215229}}^1$

素因数の和:1215244

約数の個数: 36

約数和(自身を含む): 663515580

約数和(自身を除く): 444774360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1215229, 2430458, 3645687, 4860916, 6076145, 7291374, 10937061, 12152290, 14582748, 18228435, 21874122, 24304580, 36456870, 43748244, 54685305, 72913740, 109370610, 218741220]

約数ペア:

[(1, 218741220), (2, 109370610), (3, 72913740), (4, 54685305), (5, 43748244), (6, 36456870), (9, 24304580), (10, 21874122), (12, 18228435), (15, 14582748), (18, 12152290), (20, 10937061), (30, 7291374), (36, 6076145), (45, 4860916), (60, 3645687), (90, 2430458), (180, 1215229)]