181980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{337}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 567840

約数和(自身を除く): 385860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 337, 540, 674, 1011, 1348, 1685, 2022, 3033, 3370, 4044, 5055, 6066, 6740, 9099, 10110, 12132, 15165, 18198, 20220, 30330, 36396, 45495, 60660, 90990, 181980]

約数ペア:

[(1, 181980), (2, 90990), (3, 60660), (4, 45495), (5, 36396), (6, 30330), (9, 20220), (10, 18198), (12, 15165), (15, 12132), (18, 10110), (20, 9099), (27, 6740), (30, 6066), (36, 5055), (45, 4044), (54, 3370), (60, 3033), (90, 2022), (108, 1685), (135, 1348), (180, 1011), (270, 674), (337, 540)]