256880016

素因数分解:

$2^4\times 3^2\times {\mathrm{1783889}}^1$

素因数の和:1783903

約数の個数: 30

約数和(自身を含む): 718907670

約数和(自身を除く): 462027654

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1783889, 3567778, 5351667, 7135556, 10703334, 14271112, 16055001, 21406668, 28542224, 32110002, 42813336, 64220004, 85626672, 128440008, 256880016]

約数ペア:

[(1, 256880016), (2, 128440008), (3, 85626672), (4, 64220004), (6, 42813336), (8, 32110002), (9, 28542224), (12, 21406668), (16, 16055001), (18, 14271112), (24, 10703334), (36, 7135556), (48, 5351667), (72, 3567778), (144, 1783889)]