15491480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1607}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 35022240

約数和(自身を除く): 19530760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1607, 1928, 2410, 3214, 4820, 6428, 8035, 9640, 12856, 16070, 32140, 64280, 387287, 774574, 1549148, 1936435, 3098296, 3872870, 7745740, 15491480]

約数ペア:

[(1, 15491480), (2, 7745740), (4, 3872870), (5, 3098296), (8, 1936435), (10, 1549148), (20, 774574), (40, 387287), (241, 64280), (482, 32140), (964, 16070), (1205, 12856), (1607, 9640), (1928, 8035), (2410, 6428), (3214, 4820)]