1555780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 3302208

約数和(自身を除く): 1746428

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 727, 1070, 1454, 2140, 2908, 3635, 7270, 14540, 77789, 155578, 311156, 388945, 777890, 1555780]

約数ペア:

[(1, 1555780), (2, 777890), (4, 388945), (5, 311156), (10, 155578), (20, 77789), (107, 14540), (214, 7270), (428, 3635), (535, 2908), (727, 2140), (1070, 1454)]