78819960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{656833}}^1$

素因数の和:656847

約数の個数: 32

約数和(自身を含む): 236460240

約数和(自身を除く): 157640280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 656833, 1313666, 1970499, 2627332, 3284165, 3940998, 5254664, 6568330, 7881996, 9852495, 13136660, 15763992, 19704990, 26273320, 39409980, 78819960]

約数ペア:

[(1, 78819960), (2, 39409980), (3, 26273320), (4, 19704990), (5, 15763992), (6, 13136660), (8, 9852495), (10, 7881996), (12, 6568330), (15, 5254664), (20, 3940998), (24, 3284165), (30, 2627332), (40, 1970499), (60, 1313666), (120, 656833)]