1531880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5471}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 2407960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5471, 10942, 21884, 27355, 38297, 43768, 54710, 76594, 109420, 153188, 191485, 218840, 306376, 382970, 765940, 1531880]

約数ペア:

[(1, 1531880), (2, 765940), (4, 382970), (5, 306376), (7, 218840), (8, 191485), (10, 153188), (14, 109420), (20, 76594), (28, 54710), (35, 43768), (40, 38297), (56, 27355), (70, 21884), (140, 10942), (280, 5471)]