81609870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2720329}}^1$

素因数の和:2720339

約数の個数: 16

約数和(自身を含む): 195863760

約数和(自身を除く): 114253890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2720329, 5440658, 8160987, 13601645, 16321974, 27203290, 40804935, 81609870]

約数ペア:

[(1, 81609870), (2, 40804935), (3, 27203290), (5, 16321974), (6, 13601645), (10, 8160987), (15, 5440658), (30, 2720329)]