257259780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{476407}}^1$

素因数の和:476425

約数の個数: 48

約数和(自身を含む): 800365440

約数和(自身を除く): 543105660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 476407, 952814, 1429221, 1905628, 2382035, 2858442, 4287663, 4764070, 5716884, 7146105, 8575326, 9528140, 12862989, 14292210, 17150652, 21438315, 25725978, 28584420, 42876630, 51451956, 64314945, 85753260, 128629890, 257259780]

約数ペア:

[(1, 257259780), (2, 128629890), (3, 85753260), (4, 64314945), (5, 51451956), (6, 42876630), (9, 28584420), (10, 25725978), (12, 21438315), (15, 17150652), (18, 14292210), (20, 12862989), (27, 9528140), (30, 8575326), (36, 7146105), (45, 5716884), (54, 4764070), (60, 4287663), (90, 2858442), (108, 2382035), (135, 1905628), (180, 1429221), (270, 952814), (540, 476407)]