68237960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243707}}^1$

素因数の和:243725

約数の個数: 32

約数和(自身を含む): 175469760

約数和(自身を除く): 107231800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243707, 487414, 974828, 1218535, 1705949, 1949656, 2437070, 3411898, 4874140, 6823796, 8529745, 9748280, 13647592, 17059490, 34118980, 68237960]

約数ペア:

[(1, 68237960), (2, 34118980), (4, 17059490), (5, 13647592), (7, 9748280), (8, 8529745), (10, 6823796), (14, 4874140), (20, 3411898), (28, 2437070), (35, 1949656), (40, 1705949), (56, 1218535), (70, 974828), (140, 487414), (280, 243707)]