66784560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278269}}^1$

素因数の和:278285

約数の個数: 40

約数和(自身を含む): 207032880

約数和(自身を除く): 140248320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278269, 556538, 834807, 1113076, 1391345, 1669614, 2226152, 2782690, 3339228, 4174035, 4452304, 5565380, 6678456, 8348070, 11130760, 13356912, 16696140, 22261520, 33392280, 66784560]

約数ペア:

[(1, 66784560), (2, 33392280), (3, 22261520), (4, 16696140), (5, 13356912), (6, 11130760), (8, 8348070), (10, 6678456), (12, 5565380), (15, 4452304), (16, 4174035), (20, 3339228), (24, 2782690), (30, 2226152), (40, 1669614), (48, 1391345), (60, 1113076), (80, 834807), (120, 556538), (240, 278269)]