2820780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15671}}^1$

素因数の和:15686

約数の個数: 36

約数和(自身を含む): 8556912

約数和(自身を除く): 5736132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 15671, 31342, 47013, 62684, 78355, 94026, 141039, 156710, 188052, 235065, 282078, 313420, 470130, 564156, 705195, 940260, 1410390, 2820780]

約数ペア:

[(1, 2820780), (2, 1410390), (3, 940260), (4, 705195), (5, 564156), (6, 470130), (9, 313420), (10, 282078), (12, 235065), (15, 188052), (18, 156710), (20, 141039), (30, 94026), (36, 78355), (45, 62684), (60, 47013), (90, 31342), (180, 15671)]