68645920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61291}}^1$

素因数の和:61313

約数の個数: 48

約数和(自身を含む): 185347008

約数和(自身を除く): 116701088

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, 61291, 122582, 245164, 306455, 429037, 490328, 612910, 858074, 980656, 1225820, 1716148, 1961312, 2145185, 2451640, 3432296, 4290370, 4903280, 6864592, 8580740, 9806560, 13729184, 17161480, 34322960, 68645920]

約数ペア:

[(1, 68645920), (2, 34322960), (4, 17161480), (5, 13729184), (7, 9806560), (8, 8580740), (10, 6864592), (14, 4903280), (16, 4290370), (20, 3432296), (28, 2451640), (32, 2145185), (35, 1961312), (40, 1716148), (56, 1225820), (70, 980656), (80, 858074), (112, 612910), (140, 490328), (160, 429037), (224, 306455), (280, 245164), (560, 122582), (1120, 61291)]