28266780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2441}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 79589664

約数和(自身を除く): 51322884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1930, 2316, 2441, 2895, 3860, 4882, 5790, 7323, 9764, 11580, 12205, 14646, 24410, 29292, 36615, 48820, 73230, 146460, 471113, 942226, 1413339, 1884452, 2355565, 2826678, 4711130, 5653356, 7066695, 9422260, 14133390, 28266780]

約数ペア:

[(1, 28266780), (2, 14133390), (3, 9422260), (4, 7066695), (5, 5653356), (6, 4711130), (10, 2826678), (12, 2355565), (15, 1884452), (20, 1413339), (30, 942226), (60, 471113), (193, 146460), (386, 73230), (579, 48820), (772, 36615), (965, 29292), (1158, 24410), (1930, 14646), (2316, 12205), (2441, 11580), (2895, 9764), (3860, 7323), (4882, 5790)]