15126140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{787}}^1$

素因数の和:858

約数の個数: 36

約数和(自身を含む): 32864328

約数和(自身を除く): 17738188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 787, 961, 1574, 1922, 3148, 3844, 3935, 4805, 7870, 9610, 15740, 19220, 24397, 48794, 97588, 121985, 243970, 487940, 756307, 1512614, 3025228, 3781535, 7563070, 15126140]

約数ペア:

[(1, 15126140), (2, 7563070), (4, 3781535), (5, 3025228), (10, 1512614), (20, 756307), (31, 487940), (62, 243970), (124, 121985), (155, 97588), (310, 48794), (620, 24397), (787, 19220), (961, 15740), (1574, 9610), (1922, 7870), (3148, 4805), (3844, 3935)]