18780180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313003}}^1$

素因数の和:313015

約数の個数: 24

約数和(自身を含む): 52584672

約数和(自身を除く): 33804492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313003, 626006, 939009, 1252012, 1565015, 1878018, 3130030, 3756036, 4695045, 6260060, 9390090, 18780180]

約数ペア:

[(1, 18780180), (2, 9390090), (3, 6260060), (4, 4695045), (5, 3756036), (6, 3130030), (10, 1878018), (12, 1565015), (15, 1252012), (20, 939009), (30, 626006), (60, 313003)]