1780120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 4043520

約数和(自身を除く): 2263400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 233, 382, 466, 764, 932, 955, 1165, 1528, 1864, 1910, 2330, 3820, 4660, 7640, 9320, 44503, 89006, 178012, 222515, 356024, 445030, 890060, 1780120]

約数ペア:

[(1, 1780120), (2, 890060), (4, 445030), (5, 356024), (8, 222515), (10, 178012), (20, 89006), (40, 44503), (191, 9320), (233, 7640), (382, 4660), (466, 3820), (764, 2330), (932, 1910), (955, 1864), (1165, 1528)]