161438220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{896879}}^1$

素因数の和:896894

約数の個数: 36

約数和(自身を含む): 489696480

約数和(自身を除く): 328258260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 896879, 1793758, 2690637, 3587516, 4484395, 5381274, 8071911, 8968790, 10762548, 13453185, 16143822, 17937580, 26906370, 32287644, 40359555, 53812740, 80719110, 161438220]

約数ペア:

[(1, 161438220), (2, 80719110), (3, 53812740), (4, 40359555), (5, 32287644), (6, 26906370), (9, 17937580), (10, 16143822), (12, 13453185), (15, 10762548), (18, 8968790), (20, 8071911), (30, 5381274), (36, 4484395), (45, 3587516), (60, 2690637), (90, 1793758), (180, 896879)]