78711420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1311857}}^1$

素因数の和:1311869

約数の個数: 24

約数和(自身を含む): 220392144

約数和(自身を除く): 141680724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1311857, 2623714, 3935571, 5247428, 6559285, 7871142, 13118570, 15742284, 19677855, 26237140, 39355710, 78711420]

約数ペア:

[(1, 78711420), (2, 39355710), (3, 26237140), (4, 19677855), (5, 15742284), (6, 13118570), (10, 7871142), (12, 6559285), (15, 5247428), (20, 3935571), (30, 2623714), (60, 1311857)]