205256880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285079}}^1$

素因数の和:285098

約数の個数: 60

約数和(自身を含む): 689323440

約数和(自身を除く): 484066560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285079, 570158, 855237, 1140316, 1425395, 1710474, 2280632, 2565711, 2850790, 3420948, 4276185, 4561264, 5131422, 5701580, 6841896, 8552370, 10262844, 11403160, 12828555, 13683792, 17104740, 20525688, 22806320, 25657110, 34209480, 41051376, 51314220, 68418960, 102628440, 205256880]

約数ペア:

[(1, 205256880), (2, 102628440), (3, 68418960), (4, 51314220), (5, 41051376), (6, 34209480), (8, 25657110), (9, 22806320), (10, 20525688), (12, 17104740), (15, 13683792), (16, 12828555), (18, 11403160), (20, 10262844), (24, 8552370), (30, 6841896), (36, 5701580), (40, 5131422), (45, 4561264), (48, 4276185), (60, 3420948), (72, 2850790), (80, 2565711), (90, 2280632), (120, 1710474), (144, 1425395), (180, 1140316), (240, 855237), (360, 570158), (720, 285079)]