18780540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313009}}^1$

素因数の和:313021

約数の個数: 24

約数和(自身を含む): 52585680

約数和(自身を除く): 33805140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313009, 626018, 939027, 1252036, 1565045, 1878054, 3130090, 3756108, 4695135, 6260180, 9390270, 18780540]

約数ペア:

[(1, 18780540), (2, 9390270), (3, 6260180), (4, 4695135), (5, 3756108), (6, 3130090), (10, 1878054), (12, 1565045), (15, 1252036), (20, 939027), (30, 626018), (60, 313009)]