61670720

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^2$

素因数の和:895

約数の個数: 42

約数和(自身を含む): 147188682

約数和(自身を除く): 85517962

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 28096, 35120, 70240, 140480, 192721, 385442, 770884, 963605, 1541768, 1927210, 3083536, 3854420, 6167072, 7708840, 12334144, 15417680, 30835360, 61670720]

約数ペア:

[(1, 61670720), (2, 30835360), (4, 15417680), (5, 12334144), (8, 7708840), (10, 6167072), (16, 3854420), (20, 3083536), (32, 1927210), (40, 1541768), (64, 963605), (80, 770884), (160, 385442), (320, 192721), (439, 140480), (878, 70240), (1756, 35120), (2195, 28096), (3512, 17560), (4390, 14048), (7024, 8780)]