88781580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{493231}}^1$

素因数の和:493246

約数の個数: 36

約数和(自身を含む): 269304672

約数和(自身を除く): 180523092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 493231, 986462, 1479693, 1972924, 2466155, 2959386, 4439079, 4932310, 5918772, 7398465, 8878158, 9864620, 14796930, 17756316, 22195395, 29593860, 44390790, 88781580]

約数ペア:

[(1, 88781580), (2, 44390790), (3, 29593860), (4, 22195395), (5, 17756316), (6, 14796930), (9, 9864620), (10, 8878158), (12, 7398465), (15, 5918772), (18, 4932310), (20, 4439079), (30, 2959386), (36, 2466155), (45, 1972924), (60, 1479693), (90, 986462), (180, 493231)]