15121540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108011}}^1$

素因数の和:108027

約数の個数: 24

約数和(自身を含む): 36292032

約数和(自身を除く): 21170492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108011, 216022, 432044, 540055, 756077, 1080110, 1512154, 2160220, 3024308, 3780385, 7560770, 15121540]

約数ペア:

[(1, 15121540), (2, 7560770), (4, 3780385), (5, 3024308), (7, 2160220), (10, 1512154), (14, 1080110), (20, 756077), (28, 540055), (35, 432044), (70, 216022), (140, 108011)]