80949540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192737}}^1$

素因数の和:192756

約数の個数: 48

約数和(自身を含む): 259039872

約数和(自身を除く): 178090332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192737, 385474, 578211, 770948, 963685, 1156422, 1349159, 1927370, 2312844, 2698318, 2891055, 3854740, 4047477, 5396636, 5782110, 6745795, 8094954, 11564220, 13491590, 16189908, 20237385, 26983180, 40474770, 80949540]

約数ペア:

[(1, 80949540), (2, 40474770), (3, 26983180), (4, 20237385), (5, 16189908), (6, 13491590), (7, 11564220), (10, 8094954), (12, 6745795), (14, 5782110), (15, 5396636), (20, 4047477), (21, 3854740), (28, 2891055), (30, 2698318), (35, 2312844), (42, 1927370), (60, 1349159), (70, 1156422), (84, 963685), (105, 770948), (140, 578211), (210, 385474), (420, 192737)]