128093220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{711629}}^1$

素因数の和:711644

約数の個数: 36

約数和(自身を含む): 388549980

約数和(自身を除く): 260456760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 711629, 1423258, 2134887, 2846516, 3558145, 4269774, 6404661, 7116290, 8539548, 10674435, 12809322, 14232580, 21348870, 25618644, 32023305, 42697740, 64046610, 128093220]

約数ペア:

[(1, 128093220), (2, 64046610), (3, 42697740), (4, 32023305), (5, 25618644), (6, 21348870), (9, 14232580), (10, 12809322), (12, 10674435), (15, 8539548), (18, 7116290), (20, 6404661), (30, 4269774), (36, 3558145), (45, 2846516), (60, 2134887), (90, 1423258), (180, 711629)]