51181380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{284341}}^1$

素因数の和:284356

約数の個数: 36

約数和(自身を含む): 155250732

約数和(自身を除く): 104069352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 284341, 568682, 853023, 1137364, 1421705, 1706046, 2559069, 2843410, 3412092, 4265115, 5118138, 5686820, 8530230, 10236276, 12795345, 17060460, 25590690, 51181380]

約数ペア:

[(1, 51181380), (2, 25590690), (3, 17060460), (4, 12795345), (5, 10236276), (6, 8530230), (9, 5686820), (10, 5118138), (12, 4265115), (15, 3412092), (18, 2843410), (20, 2559069), (30, 1706046), (36, 1421705), (45, 1137364), (60, 853023), (90, 568682), (180, 284341)]