513525180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1222679}}^1$

素因数の和:1222698

約数の個数: 48

約数和(自身を含む): 1643281920

約数和(自身を除く): 1129756740

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, 1222679, 2445358, 3668037, 4890716, 6113395, 7336074, 8558753, 12226790, 14672148, 17117506, 18340185, 24453580, 25676259, 34235012, 36680370, 42793765, 51352518, 73360740, 85587530, 102705036, 128381295, 171175060, 256762590, 513525180]

約数ペア:

[(1, 513525180), (2, 256762590), (3, 171175060), (4, 128381295), (5, 102705036), (6, 85587530), (7, 73360740), (10, 51352518), (12, 42793765), (14, 36680370), (15, 34235012), (20, 25676259), (21, 24453580), (28, 18340185), (30, 17117506), (35, 14672148), (42, 12226790), (60, 8558753), (70, 7336074), (84, 6113395), (105, 4890716), (140, 3668037), (210, 2445358), (420, 1222679)]