399896880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1666237}}^1$

素因数の和:1666253

約数の個数: 40

約数和(自身を含む): 1239681072

約数和(自身を除く): 839784192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1666237, 3332474, 4998711, 6664948, 8331185, 9997422, 13329896, 16662370, 19994844, 24993555, 26659792, 33324740, 39989688, 49987110, 66649480, 79979376, 99974220, 133298960, 199948440, 399896880]

約数ペア:

[(1, 399896880), (2, 199948440), (3, 133298960), (4, 99974220), (5, 79979376), (6, 66649480), (8, 49987110), (10, 39989688), (12, 33324740), (15, 26659792), (16, 24993555), (20, 19994844), (24, 16662370), (30, 13329896), (40, 9997422), (48, 8331185), (60, 6664948), (80, 4998711), (120, 3332474), (240, 1666237)]