77978820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1299647}}^1$

素因数の和:1299659

約数の個数: 24

約数和(自身を含む): 218340864

約数和(自身を除く): 140362044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1299647, 2599294, 3898941, 5198588, 6498235, 7797882, 12996470, 15595764, 19494705, 25992940, 38989410, 77978820]

約数ペア:

[(1, 77978820), (2, 38989410), (3, 25992940), (4, 19494705), (5, 15595764), (6, 12996470), (10, 7797882), (12, 6498235), (15, 5198588), (20, 3898941), (30, 2599294), (60, 1299647)]