210798180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{390367}}^1$

素因数の和:390385

約数の個数: 48

約数和(自身を含む): 655818240

約数和(自身を除く): 445020060

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, 540, 390367, 780734, 1171101, 1561468, 1951835, 2342202, 3513303, 3903670, 4684404, 5855505, 7026606, 7807340, 10539909, 11711010, 14053212, 17566515, 21079818, 23422020, 35133030, 42159636, 52699545, 70266060, 105399090, 210798180]

約数ペア:

[(1, 210798180), (2, 105399090), (3, 70266060), (4, 52699545), (5, 42159636), (6, 35133030), (9, 23422020), (10, 21079818), (12, 17566515), (15, 14053212), (18, 11711010), (20, 10539909), (27, 7807340), (30, 7026606), (36, 5855505), (45, 4684404), (54, 3903670), (60, 3513303), (90, 2342202), (108, 1951835), (135, 1561468), (180, 1171101), (270, 780734), (540, 390367)]