128139540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125627}}^1$

素因数の和:125656

約数の個数: 48

約数和(自身を含む): 379899072

約数和(自身を除く): 251759532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 125627, 251254, 376881, 502508, 628135, 753762, 1256270, 1507524, 1884405, 2135659, 2512540, 3768810, 4271318, 6406977, 7537620, 8542636, 10678295, 12813954, 21356590, 25627908, 32034885, 42713180, 64069770, 128139540]

約数ペア:

[(1, 128139540), (2, 64069770), (3, 42713180), (4, 32034885), (5, 25627908), (6, 21356590), (10, 12813954), (12, 10678295), (15, 8542636), (17, 7537620), (20, 6406977), (30, 4271318), (34, 3768810), (51, 2512540), (60, 2135659), (68, 1884405), (85, 1507524), (102, 1256270), (170, 753762), (204, 628135), (255, 502508), (340, 376881), (510, 251254), (1020, 125627)]