256598520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2138321}}^1$

素因数の和:2138335

約数の個数: 32

約数和(自身を含む): 769795920

約数和(自身を除く): 513197400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2138321, 4276642, 6414963, 8553284, 10691605, 12829926, 17106568, 21383210, 25659852, 32074815, 42766420, 51319704, 64149630, 85532840, 128299260, 256598520]

約数ペア:

[(1, 256598520), (2, 128299260), (3, 85532840), (4, 64149630), (5, 51319704), (6, 42766420), (8, 32074815), (10, 25659852), (12, 21383210), (15, 17106568), (20, 12829926), (24, 10691605), (30, 8553284), (40, 6414963), (60, 4276642), (120, 2138321)]