78009540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185737}}^1$

素因数の和:185756

約数の個数: 48

約数和(自身を含む): 249631872

約数和(自身を除く): 171622332

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, 185737, 371474, 557211, 742948, 928685, 1114422, 1300159, 1857370, 2228844, 2600318, 2786055, 3714740, 3900477, 5200636, 5572110, 6500795, 7800954, 11144220, 13001590, 15601908, 19502385, 26003180, 39004770, 78009540]

約数ペア:

[(1, 78009540), (2, 39004770), (3, 26003180), (4, 19502385), (5, 15601908), (6, 13001590), (7, 11144220), (10, 7800954), (12, 6500795), (14, 5572110), (15, 5200636), (20, 3900477), (21, 3714740), (28, 2786055), (30, 2600318), (35, 2228844), (42, 1857370), (60, 1300159), (70, 1114422), (84, 928685), (105, 742948), (140, 557211), (210, 371474), (420, 185737)]