320872160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{286493}}^1$

素因数の和:286515

約数の個数: 48

約数和(自身を含む): 866357856

約数和(自身を除く): 545485696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 286493, 572986, 1145972, 1432465, 2005451, 2291944, 2864930, 4010902, 4583888, 5729860, 8021804, 9167776, 10027255, 11459720, 16043608, 20054510, 22919440, 32087216, 40109020, 45838880, 64174432, 80218040, 160436080, 320872160]

約数ペア:

[(1, 320872160), (2, 160436080), (4, 80218040), (5, 64174432), (7, 45838880), (8, 40109020), (10, 32087216), (14, 22919440), (16, 20054510), (20, 16043608), (28, 11459720), (32, 10027255), (35, 9167776), (40, 8021804), (56, 5729860), (70, 4583888), (80, 4010902), (112, 2864930), (140, 2291944), (160, 2005451), (224, 1432465), (280, 1145972), (560, 572986), (1120, 286493)]