12981336660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72118537}}^1$

素因数の和:72118552

約数の個数: 36

約数和(自身を含む): 39376721748

約数和(自身を除く): 26395385088

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72118537, 144237074, 216355611, 288474148, 360592685, 432711222, 649066833, 721185370, 865422444, 1081778055, 1298133666, 1442370740, 2163556110, 2596267332, 3245334165, 4327112220, 6490668330, 12981336660]

約数ペア:

[(1, 12981336660), (2, 6490668330), (3, 4327112220), (4, 3245334165), (5, 2596267332), (6, 2163556110), (9, 1442370740), (10, 1298133666), (12, 1081778055), (15, 865422444), (18, 721185370), (20, 649066833), (30, 432711222), (36, 360592685), (45, 288474148), (60, 216355611), (90, 144237074), (180, 72118537)]