8439540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{140659}}^1$

素因数の和:140671

約数の個数: 24

約数和(自身を含む): 23630880

約数和(自身を除く): 15191340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 140659, 281318, 421977, 562636, 703295, 843954, 1406590, 1687908, 2109885, 2813180, 4219770, 8439540]

約数ペア:

[(1, 8439540), (2, 4219770), (3, 2813180), (4, 2109885), (5, 1687908), (6, 1406590), (10, 843954), (12, 703295), (15, 562636), (20, 421977), (30, 281318), (60, 140659)]