64481480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230291}}^1$

素因数の和:230309

約数の個数: 32

約数和(自身を含む): 165810240

約数和(自身を除く): 101328760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230291, 460582, 921164, 1151455, 1612037, 1842328, 2302910, 3224074, 4605820, 6448148, 8060185, 9211640, 12896296, 16120370, 32240740, 64481480]

約数ペア:

[(1, 64481480), (2, 32240740), (4, 16120370), (5, 12896296), (7, 9211640), (8, 8060185), (10, 6448148), (14, 4605820), (20, 3224074), (28, 2302910), (35, 1842328), (40, 1612037), (56, 1151455), (70, 921164), (140, 460582), (280, 230291)]