15000420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{250007}}^1$

素因数の和:250019

約数の個数: 24

約数和(自身を含む): 42001344

約数和(自身を除く): 27000924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 250007, 500014, 750021, 1000028, 1250035, 1500042, 2500070, 3000084, 3750105, 5000140, 7500210, 15000420]

約数ペア:

[(1, 15000420), (2, 7500210), (3, 5000140), (4, 3750105), (5, 3000084), (6, 2500070), (10, 1500042), (12, 1250035), (15, 1000028), (20, 750021), (30, 500014), (60, 250007)]