15120380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68729}}^1$

素因数の和:68749

約数の個数: 24

約数和(自身を含む): 34639920

約数和(自身を除く): 19519540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 68729, 137458, 274916, 343645, 687290, 756019, 1374580, 1512038, 3024076, 3780095, 7560190, 15120380]

約数ペア:

[(1, 15120380), (2, 7560190), (4, 3780095), (5, 3024076), (10, 1512038), (11, 1374580), (20, 756019), (22, 687290), (44, 343645), (55, 274916), (110, 137458), (220, 68729)]