71022780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{394571}}^1$

素因数の和:394586

約数の個数: 36

約数和(自身を含む): 215436312

約数和(自身を除く): 144413532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 394571, 789142, 1183713, 1578284, 1972855, 2367426, 3551139, 3945710, 4734852, 5918565, 7102278, 7891420, 11837130, 14204556, 17755695, 23674260, 35511390, 71022780]

約数ペア:

[(1, 71022780), (2, 35511390), (3, 23674260), (4, 17755695), (5, 14204556), (6, 11837130), (9, 7891420), (10, 7102278), (12, 5918565), (15, 4734852), (18, 3945710), (20, 3551139), (30, 2367426), (36, 1972855), (45, 1578284), (60, 1183713), (90, 789142), (180, 394571)]