207980820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1155449}}^1$

素因数の和:1155464

約数の個数: 36

約数和(自身を含む): 630875700

約数和(自身を除く): 422894880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1155449, 2310898, 3466347, 4621796, 5777245, 6932694, 10399041, 11554490, 13865388, 17331735, 20798082, 23108980, 34663470, 41596164, 51995205, 69326940, 103990410, 207980820]

約数ペア:

[(1, 207980820), (2, 103990410), (3, 69326940), (4, 51995205), (5, 41596164), (6, 34663470), (9, 23108980), (10, 20798082), (12, 17331735), (15, 13865388), (18, 11554490), (20, 10399041), (30, 6932694), (36, 5777245), (45, 4621796), (60, 3466347), (90, 2310898), (180, 1155449)]