68975480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1361}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 178476480

約数和(自身を除く): 109501000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1361, 1448, 1810, 2534, 2722, 3620, 5068, 5444, 6335, 6805, 7240, 9527, 10136, 10888, 12670, 13610, 19054, 25340, 27220, 38108, 47635, 50680, 54440, 76216, 95270, 190540, 246341, 381080, 492682, 985364, 1231705, 1724387, 1970728, 2463410, 3448774, 4926820, 6897548, 8621935, 9853640, 13795096, 17243870, 34487740, 68975480]

約数ペア:

[(1, 68975480), (2, 34487740), (4, 17243870), (5, 13795096), (7, 9853640), (8, 8621935), (10, 6897548), (14, 4926820), (20, 3448774), (28, 2463410), (35, 1970728), (40, 1724387), (56, 1231705), (70, 985364), (140, 492682), (181, 381080), (280, 246341), (362, 190540), (724, 95270), (905, 76216), (1267, 54440), (1361, 50680), (1448, 47635), (1810, 38108), (2534, 27220), (2722, 25340), (3620, 19054), (5068, 13610), (5444, 12670), (6335, 10888), (6805, 10136), (7240, 9527)]