78917340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315289}}^1$

素因数の和:1315301

約数の個数: 24

約数和(自身を含む): 220968720

約数和(自身を除く): 142051380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315289, 2630578, 3945867, 5261156, 6576445, 7891734, 13152890, 15783468, 19729335, 26305780, 39458670, 78917340]

約数ペア:

[(1, 78917340), (2, 39458670), (3, 26305780), (4, 19729335), (5, 15783468), (6, 13152890), (10, 7891734), (12, 6576445), (15, 5261156), (20, 3945867), (30, 2630578), (60, 1315289)]