73640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 190080

約数和(自身を除く): 116440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 14728, 18410, 36820, 73640]

約数ペア:

[(1, 73640), (2, 36820), (4, 18410), (5, 14728), (7, 10520), (8, 9205), (10, 7364), (14, 5260), (20, 3682), (28, 2630), (35, 2104), (40, 1841), (56, 1315), (70, 1052), (140, 526), (263, 280)]