15390580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^2$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 33351948

約数和(自身を除く): 17961368

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 685, 820, 1370, 2740, 5617, 11234, 18769, 22468, 28085, 37538, 56170, 75076, 93845, 112340, 187690, 375380, 769529, 1539058, 3078116, 3847645, 7695290, 15390580]

約数ペア:

[(1, 15390580), (2, 7695290), (4, 3847645), (5, 3078116), (10, 1539058), (20, 769529), (41, 375380), (82, 187690), (137, 112340), (164, 93845), (205, 75076), (274, 56170), (410, 37538), (548, 28085), (685, 22468), (820, 18769), (1370, 11234), (2740, 5617)]