261536256

素因数分解:

$2^9\times 3^3\times {\mathrm{18919}}^1$

素因数の和:18946

約数の個数: 80

約数和(自身を含む): 774206400

約数和(自身を除く): 512670144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1728, 2304, 3456, 4608, 6912, 13824, 18919, 37838, 56757, 75676, 113514, 151352, 170271, 227028, 302704, 340542, 454056, 510813, 605408, 681084, 908112, 1021626, 1210816, 1362168, 1816224, 2043252, 2421632, 2724336, 3632448, 4086504, 4843264, 5448672, 7264896, 8173008, 9686528, 10897344, 14529792, 16346016, 21794688, 29059584, 32692032, 43589376, 65384064, 87178752, 130768128, 261536256]

約数ペア:

[(1, 261536256), (2, 130768128), (3, 87178752), (4, 65384064), (6, 43589376), (8, 32692032), (9, 29059584), (12, 21794688), (16, 16346016), (18, 14529792), (24, 10897344), (27, 9686528), (32, 8173008), (36, 7264896), (48, 5448672), (54, 4843264), (64, 4086504), (72, 3632448), (96, 2724336), (108, 2421632), (128, 2043252), (144, 1816224), (192, 1362168), (216, 1210816), (256, 1021626), (288, 908112), (384, 681084), (432, 605408), (512, 510813), (576, 454056), (768, 340542), (864, 302704), (1152, 227028), (1536, 170271), (1728, 151352), (2304, 113514), (3456, 75676), (4608, 56757), (6912, 37838), (13824, 18919)]