31238940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{520649}}^1$

素因数の和:520661

約数の個数: 24

約数和(自身を含む): 87469200

約数和(自身を除く): 56230260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 520649, 1041298, 1561947, 2082596, 2603245, 3123894, 5206490, 6247788, 7809735, 10412980, 15619470, 31238940]

約数ペア:

[(1, 31238940), (2, 15619470), (3, 10412980), (4, 7809735), (5, 6247788), (6, 5206490), (10, 3123894), (12, 2603245), (15, 2082596), (20, 1561947), (30, 1041298), (60, 520649)]