208121220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1156229}}^1$

素因数の和:1156244

約数の個数: 36

約数和(自身を含む): 631301580

約数和(自身を除く): 423180360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1156229, 2312458, 3468687, 4624916, 5781145, 6937374, 10406061, 11562290, 13874748, 17343435, 20812122, 23124580, 34686870, 41624244, 52030305, 69373740, 104060610, 208121220]

約数ペア:

[(1, 208121220), (2, 104060610), (3, 69373740), (4, 52030305), (5, 41624244), (6, 34686870), (9, 23124580), (10, 20812122), (12, 17343435), (15, 13874748), (18, 11562290), (20, 10406061), (30, 6937374), (36, 5781145), (45, 4624916), (60, 3468687), (90, 2312458), (180, 1156229)]