61487720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219599}}^1$

素因数の和:219617

約数の個数: 32

約数和(自身を含む): 158112000

約数和(自身を除く): 96624280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219599, 439198, 878396, 1097995, 1537193, 1756792, 2195990, 3074386, 4391980, 6148772, 7685965, 8783960, 12297544, 15371930, 30743860, 61487720]

約数ペア:

[(1, 61487720), (2, 30743860), (4, 15371930), (5, 12297544), (7, 8783960), (8, 7685965), (10, 6148772), (14, 4391980), (20, 3074386), (28, 2195990), (35, 1756792), (40, 1537193), (56, 1097995), (70, 878396), (140, 439198), (280, 219599)]