15840420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{264007}}^1$

素因数の和:264019

約数の個数: 24

約数和(自身を含む): 44353344

約数和(自身を除く): 28512924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 264007, 528014, 792021, 1056028, 1320035, 1584042, 2640070, 3168084, 3960105, 5280140, 7920210, 15840420]

約数ペア:

[(1, 15840420), (2, 7920210), (3, 5280140), (4, 3960105), (5, 3168084), (6, 2640070), (10, 1584042), (12, 1320035), (15, 1056028), (20, 792021), (30, 528014), (60, 264007)]