68237680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121853}}^1$

素因数の和:121873

約数の個数: 40

約数和(自身を含む): 181318752

約数和(自身を除く): 113081072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121853, 243706, 487412, 609265, 852971, 974824, 1218530, 1705942, 1949648, 2437060, 3411884, 4264855, 4874120, 6823768, 8529710, 9748240, 13647536, 17059420, 34118840, 68237680]

約数ペア:

[(1, 68237680), (2, 34118840), (4, 17059420), (5, 13647536), (7, 9748240), (8, 8529710), (10, 6823768), (14, 4874120), (16, 4264855), (20, 3411884), (28, 2437060), (35, 1949648), (40, 1705942), (56, 1218530), (70, 974824), (80, 852971), (112, 609265), (140, 487412), (280, 243706), (560, 121853)]