7904220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 22364160

約数和(自身を除く): 14459940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1279, 1545, 2060, 2558, 3090, 3837, 5116, 6180, 6395, 7674, 12790, 15348, 19185, 25580, 38370, 76740, 131737, 263474, 395211, 526948, 658685, 790422, 1317370, 1580844, 1976055, 2634740, 3952110, 7904220]

約数ペア:

[(1, 7904220), (2, 3952110), (3, 2634740), (4, 1976055), (5, 1580844), (6, 1317370), (10, 790422), (12, 658685), (15, 526948), (20, 395211), (30, 263474), (60, 131737), (103, 76740), (206, 38370), (309, 25580), (412, 19185), (515, 15348), (618, 12790), (1030, 7674), (1236, 6395), (1279, 6180), (1545, 5116), (2060, 3837), (2558, 3090)]