78631380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{436841}}^1$

素因数の和:436856

約数の個数: 36

約数和(自身を含む): 238515732

約数和(自身を除く): 159884352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 436841, 873682, 1310523, 1747364, 2184205, 2621046, 3931569, 4368410, 5242092, 6552615, 7863138, 8736820, 13105230, 15726276, 19657845, 26210460, 39315690, 78631380]

約数ペア:

[(1, 78631380), (2, 39315690), (3, 26210460), (4, 19657845), (5, 15726276), (6, 13105230), (9, 8736820), (10, 7863138), (12, 6552615), (15, 5242092), (18, 4368410), (20, 3931569), (30, 2621046), (36, 2184205), (45, 1747364), (60, 1310523), (90, 873682), (180, 436841)]