8512980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20269}}^1$

素因数の和:20288

約数の個数: 48

約数和(自身を含む): 27242880

約数和(自身を除く): 18729900

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, 20269, 40538, 60807, 81076, 101345, 121614, 141883, 202690, 243228, 283766, 304035, 405380, 425649, 567532, 608070, 709415, 851298, 1216140, 1418830, 1702596, 2128245, 2837660, 4256490, 8512980]

約数ペア:

[(1, 8512980), (2, 4256490), (3, 2837660), (4, 2128245), (5, 1702596), (6, 1418830), (7, 1216140), (10, 851298), (12, 709415), (14, 608070), (15, 567532), (20, 425649), (21, 405380), (28, 304035), (30, 283766), (35, 243228), (42, 202690), (60, 141883), (70, 121614), (84, 101345), (105, 81076), (140, 60807), (210, 40538), (420, 20269)]