72131080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257611}}^1$

素因数の和:257629

約数の個数: 32

約数和(自身を含む): 185480640

約数和(自身を除く): 113349560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257611, 515222, 1030444, 1288055, 1803277, 2060888, 2576110, 3606554, 5152220, 7213108, 9016385, 10304440, 14426216, 18032770, 36065540, 72131080]

約数ペア:

[(1, 72131080), (2, 36065540), (4, 18032770), (5, 14426216), (7, 10304440), (8, 9016385), (10, 7213108), (14, 5152220), (20, 3606554), (28, 2576110), (35, 2060888), (40, 1803277), (56, 1288055), (70, 1030444), (140, 515222), (280, 257611)]