15691537640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{65633}}^1$

素因数の和:65826

約数の個数: 64

約数和(自身を含む): 36387489600

約数和(自身を除く): 20695951960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 860, 1112, 1390, 1720, 2780, 5560, 5977, 11954, 23908, 29885, 47816, 59770, 65633, 119540, 131266, 239080, 262532, 328165, 525064, 656330, 1312660, 2625320, 2822219, 5644438, 9122987, 11288876, 14111095, 18245974, 22577752, 28222190, 36491948, 45614935, 56444380, 72983896, 91229870, 112888760, 182459740, 364919480, 392288441, 784576882, 1569153764, 1961442205, 3138307528, 3922884410, 7845768820, 15691537640]

約数ペア:

[(1, 15691537640), (2, 7845768820), (4, 3922884410), (5, 3138307528), (8, 1961442205), (10, 1569153764), (20, 784576882), (40, 392288441), (43, 364919480), (86, 182459740), (139, 112888760), (172, 91229870), (215, 72983896), (278, 56444380), (344, 45614935), (430, 36491948), (556, 28222190), (695, 22577752), (860, 18245974), (1112, 14111095), (1390, 11288876), (1720, 9122987), (2780, 5644438), (5560, 2822219), (5977, 2625320), (11954, 1312660), (23908, 656330), (29885, 525064), (47816, 328165), (59770, 262532), (65633, 239080), (119540, 131266)]