8639220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1051}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 24389568

約数和(自身を除く): 15750348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1051, 1370, 1644, 2055, 2102, 2740, 3153, 4110, 4204, 5255, 6306, 8220, 10510, 12612, 15765, 21020, 31530, 63060, 143987, 287974, 431961, 575948, 719935, 863922, 1439870, 1727844, 2159805, 2879740, 4319610, 8639220]

約数ペア:

[(1, 8639220), (2, 4319610), (3, 2879740), (4, 2159805), (5, 1727844), (6, 1439870), (10, 863922), (12, 719935), (15, 575948), (20, 431961), (30, 287974), (60, 143987), (137, 63060), (274, 31530), (411, 21020), (548, 15765), (685, 12612), (822, 10510), (1051, 8220), (1370, 6306), (1644, 5255), (2055, 4204), (2102, 4110), (2740, 3153)]