256861008

素因数分解:

$2^4\times 3^2\times {\mathrm{887}}^1\times {\mathrm{2011}}^1$

素因数の和:2912

約数の個数: 60

約数和(自身を含む): 720022368

約数和(自身を除く): 463161360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 887, 1774, 2011, 2661, 3548, 4022, 5322, 6033, 7096, 7983, 8044, 10644, 12066, 14192, 15966, 16088, 18099, 21288, 24132, 31932, 32176, 36198, 42576, 48264, 63864, 72396, 96528, 127728, 144792, 289584, 1783757, 3567514, 5351271, 7135028, 10702542, 14270056, 16053813, 21405084, 28540112, 32107626, 42810168, 64215252, 85620336, 128430504, 256861008]

約数ペア:

[(1, 256861008), (2, 128430504), (3, 85620336), (4, 64215252), (6, 42810168), (8, 32107626), (9, 28540112), (12, 21405084), (16, 16053813), (18, 14270056), (24, 10702542), (36, 7135028), (48, 5351271), (72, 3567514), (144, 1783757), (887, 289584), (1774, 144792), (2011, 127728), (2661, 96528), (3548, 72396), (4022, 63864), (5322, 48264), (6033, 42576), (7096, 36198), (7983, 32176), (8044, 31932), (10644, 24132), (12066, 21288), (14192, 18099), (15966, 16088)]