15985980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{88811}}^1$

素因数の和:88826

約数の個数: 36

約数和(自身を含む): 48491352

約数和(自身を除く): 32505372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 88811, 177622, 266433, 355244, 444055, 532866, 799299, 888110, 1065732, 1332165, 1598598, 1776220, 2664330, 3197196, 3996495, 5328660, 7992990, 15985980]

約数ペア:

[(1, 15985980), (2, 7992990), (3, 5328660), (4, 3996495), (5, 3197196), (6, 2664330), (9, 1776220), (10, 1598598), (12, 1332165), (15, 1065732), (18, 888110), (20, 799299), (30, 532866), (36, 444055), (45, 355244), (60, 266433), (90, 177622), (180, 88811)]