68778080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61409}}^1$

素因数の和:61431

約数の個数: 48

約数和(自身を含む): 185703840

約数和(自身を除く): 116925760

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, 61409, 122818, 245636, 307045, 429863, 491272, 614090, 859726, 982544, 1228180, 1719452, 1965088, 2149315, 2456360, 3438904, 4298630, 4912720, 6877808, 8597260, 9825440, 13755616, 17194520, 34389040, 68778080]

約数ペア:

[(1, 68778080), (2, 34389040), (4, 17194520), (5, 13755616), (7, 9825440), (8, 8597260), (10, 6877808), (14, 4912720), (16, 4298630), (20, 3438904), (28, 2456360), (32, 2149315), (35, 1965088), (40, 1719452), (56, 1228180), (70, 982544), (80, 859726), (112, 614090), (140, 491272), (160, 429863), (224, 307045), (280, 245636), (560, 122818), (1120, 61409)]