16688940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{278149}}^1$

素因数の和:278161

約数の個数: 24

約数和(自身を含む): 46729200

約数和(自身を除く): 30040260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 278149, 556298, 834447, 1112596, 1390745, 1668894, 2781490, 3337788, 4172235, 5562980, 8344470, 16688940]

約数ペア:

[(1, 16688940), (2, 8344470), (3, 5562980), (4, 4172235), (5, 3337788), (6, 2781490), (10, 1668894), (12, 1390745), (15, 1112596), (20, 834447), (30, 556298), (60, 278149)]