81287790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2709593}}^1$

素因数の和:2709603

約数の個数: 16

約数和(自身を含む): 195090768

約数和(自身を除く): 113802978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2709593, 5419186, 8128779, 13547965, 16257558, 27095930, 40643895, 81287790]

約数ペア:

[(1, 81287790), (2, 40643895), (3, 27095930), (5, 16257558), (6, 13547965), (10, 8128779), (15, 5419186), (30, 2709593)]