12081280

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 29620800

約数和(自身を除く): 17539520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 439, 640, 688, 860, 878, 1376, 1720, 1756, 2195, 2752, 3440, 3512, 4390, 5504, 6880, 7024, 8780, 13760, 14048, 17560, 18877, 27520, 28096, 35120, 37754, 56192, 70240, 75508, 94385, 140480, 151016, 188770, 280960, 302032, 377540, 604064, 755080, 1208128, 1510160, 2416256, 3020320, 6040640, 12081280]

約数ペア:

[(1, 12081280), (2, 6040640), (4, 3020320), (5, 2416256), (8, 1510160), (10, 1208128), (16, 755080), (20, 604064), (32, 377540), (40, 302032), (43, 280960), (64, 188770), (80, 151016), (86, 140480), (128, 94385), (160, 75508), (172, 70240), (215, 56192), (320, 37754), (344, 35120), (430, 28096), (439, 27520), (640, 18877), (688, 17560), (860, 14048), (878, 13760), (1376, 8780), (1720, 7024), (1756, 6880), (2195, 5504), (2752, 4390), (3440, 3512)]