128285460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712697}}^1$

素因数の和:712712

約数の個数: 36

約数和(自身を含む): 389133108

約数和(自身を除く): 260847648

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712697, 1425394, 2138091, 2850788, 3563485, 4276182, 6414273, 7126970, 8552364, 10690455, 12828546, 14253940, 21380910, 25657092, 32071365, 42761820, 64142730, 128285460]

約数ペア:

[(1, 128285460), (2, 64142730), (3, 42761820), (4, 32071365), (5, 25657092), (6, 21380910), (9, 14253940), (10, 12828546), (12, 10690455), (15, 8552364), (18, 7126970), (20, 6414273), (30, 4276182), (36, 3563485), (45, 2850788), (60, 2138091), (90, 1425394), (180, 712697)]