155820160

素因数分解:

$2^7\times 5^1\times {\mathrm{243469}}^1$

素因数の和:243488

約数の個数: 32

約数和(自身を含む): 372509100

約数和(自身を除く): 216688940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 243469, 486938, 973876, 1217345, 1947752, 2434690, 3895504, 4869380, 7791008, 9738760, 15582016, 19477520, 31164032, 38955040, 77910080, 155820160]

約数ペア:

[(1, 155820160), (2, 77910080), (4, 38955040), (5, 31164032), (8, 19477520), (10, 15582016), (16, 9738760), (20, 7791008), (32, 4869380), (40, 3895504), (64, 2434690), (80, 1947752), (128, 1217345), (160, 973876), (320, 486938), (640, 243469)]