81113820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1351897}}^1$

素因数の和:1351909

約数の個数: 24

約数和(自身を含む): 227118864

約数和(自身を除く): 146005044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1351897, 2703794, 4055691, 5407588, 6759485, 8111382, 13518970, 16222764, 20278455, 27037940, 40556910, 81113820]

約数ペア:

[(1, 81113820), (2, 40556910), (3, 27037940), (4, 20278455), (5, 16222764), (6, 13518970), (10, 8111382), (12, 6759485), (15, 5407588), (20, 4055691), (30, 2703794), (60, 1351897)]