71906580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399481}}^1$

素因数の和:399496

約数の個数: 36

約数和(自身を含む): 218117172

約数和(自身を除く): 146210592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399481, 798962, 1198443, 1597924, 1997405, 2396886, 3595329, 3994810, 4793772, 5992215, 7190658, 7989620, 11984430, 14381316, 17976645, 23968860, 35953290, 71906580]

約数ペア:

[(1, 71906580), (2, 35953290), (3, 23968860), (4, 17976645), (5, 14381316), (6, 11984430), (9, 7989620), (10, 7190658), (12, 5992215), (15, 4793772), (18, 3994810), (20, 3595329), (30, 2396886), (36, 1997405), (45, 1597924), (60, 1198443), (90, 798962), (180, 399481)]