30000840

素因数分解:

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

素因数の和:250021

約数の個数: 32

約数和(自身を含む): 90002880

約数和(自身を除く): 60002040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 250007, 500014, 750021, 1000028, 1250035, 1500042, 2000056, 2500070, 3000084, 3750105, 5000140, 6000168, 7500210, 10000280, 15000420, 30000840]

約数ペア:

[(1, 30000840), (2, 15000420), (3, 10000280), (4, 7500210), (5, 6000168), (6, 5000140), (8, 3750105), (10, 3000084), (12, 2500070), (15, 2000056), (20, 1500042), (24, 1250035), (30, 1000028), (40, 750021), (60, 500014), (120, 250007)]