61270960

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1777}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 142865856

約数和(自身を除く): 81594896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 1777, 2155, 3448, 3554, 4310, 6896, 7108, 8620, 8885, 14216, 17240, 17770, 28432, 34480, 35540, 71080, 142160, 765887, 1531774, 3063548, 3829435, 6127096, 7658870, 12254192, 15317740, 30635480, 61270960]

約数ペア:

[(1, 61270960), (2, 30635480), (4, 15317740), (5, 12254192), (8, 7658870), (10, 6127096), (16, 3829435), (20, 3063548), (40, 1531774), (80, 765887), (431, 142160), (862, 71080), (1724, 35540), (1777, 34480), (2155, 28432), (3448, 17770), (3554, 17240), (4310, 14216), (6896, 8885), (7108, 8620)]