51072280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 81119720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1019, 1253, 1432, 1790, 2038, 2506, 3580, 4076, 5012, 5095, 6265, 7133, 7160, 8152, 10024, 10190, 12530, 14266, 20380, 25060, 28532, 35665, 40760, 50120, 57064, 71330, 142660, 182401, 285320, 364802, 729604, 912005, 1276807, 1459208, 1824010, 2553614, 3648020, 5107228, 6384035, 7296040, 10214456, 12768070, 25536140, 51072280]

約数ペア:

[(1, 51072280), (2, 25536140), (4, 12768070), (5, 10214456), (7, 7296040), (8, 6384035), (10, 5107228), (14, 3648020), (20, 2553614), (28, 1824010), (35, 1459208), (40, 1276807), (56, 912005), (70, 729604), (140, 364802), (179, 285320), (280, 182401), (358, 142660), (716, 71330), (895, 57064), (1019, 50120), (1253, 40760), (1432, 35665), (1790, 28532), (2038, 25060), (2506, 20380), (3580, 14266), (4076, 12530), (5012, 10190), (5095, 10024), (6265, 8152), (7133, 7160)]