30928140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{171823}}^1$

素因数の和:171838

約数の個数: 36

約数和(自身を含む): 93815904

約数和(自身を除く): 62887764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 171823, 343646, 515469, 687292, 859115, 1030938, 1546407, 1718230, 2061876, 2577345, 3092814, 3436460, 5154690, 6185628, 7732035, 10309380, 15464070, 30928140]

約数ペア:

[(1, 30928140), (2, 15464070), (3, 10309380), (4, 7732035), (5, 6185628), (6, 5154690), (9, 3436460), (10, 3092814), (12, 2577345), (15, 2061876), (18, 1718230), (20, 1546407), (30, 1030938), (36, 859115), (45, 687292), (60, 515469), (90, 343646), (180, 171823)]