7500

素因数分解:

$2^2\times 3^1\times 5^4$

素因数の和:27

約数の個数: 30

約数和(自身を含む): 21868

約数和(自身を除く): 14368

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500]

約数ペア:

[(1, 7500), (2, 3750), (3, 2500), (4, 1875), (5, 1500), (6, 1250), (10, 750), (12, 625), (15, 500), (20, 375), (25, 300), (30, 250), (50, 150), (60, 125), (75, 100)]