81201540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193337}}^1$

素因数の和:193356

約数の個数: 48

約数和(自身を含む): 259846272

約数和(自身を除く): 178644732

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, 193337, 386674, 580011, 773348, 966685, 1160022, 1353359, 1933370, 2320044, 2706718, 2900055, 3866740, 4060077, 5413436, 5800110, 6766795, 8120154, 11600220, 13533590, 16240308, 20300385, 27067180, 40600770, 81201540]

約数ペア:

[(1, 81201540), (2, 40600770), (3, 27067180), (4, 20300385), (5, 16240308), (6, 13533590), (7, 11600220), (10, 8120154), (12, 6766795), (14, 5800110), (15, 5413436), (20, 4060077), (21, 3866740), (28, 2900055), (30, 2706718), (35, 2320044), (42, 1933370), (60, 1353359), (70, 1160022), (84, 966685), (105, 773348), (140, 580011), (210, 386674), (420, 193337)]