281428740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8101}}^1$

素因数の和:8309

約数の個数: 72

約数和(自身を含む): 858196248

約数和(自身を除く): 576767508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 5790, 6948, 8101, 8685, 11580, 16202, 17370, 24303, 32404, 34740, 40505, 48606, 72909, 81010, 97212, 121515, 145818, 162020, 243030, 291636, 364545, 486060, 729090, 1458180, 1563493, 3126986, 4690479, 6253972, 7817465, 9380958, 14071437, 15634930, 18761916, 23452395, 28142874, 31269860, 46904790, 56285748, 70357185, 93809580, 140714370, 281428740]

約数ペア:

[(1, 281428740), (2, 140714370), (3, 93809580), (4, 70357185), (5, 56285748), (6, 46904790), (9, 31269860), (10, 28142874), (12, 23452395), (15, 18761916), (18, 15634930), (20, 14071437), (30, 9380958), (36, 7817465), (45, 6253972), (60, 4690479), (90, 3126986), (180, 1563493), (193, 1458180), (386, 729090), (579, 486060), (772, 364545), (965, 291636), (1158, 243030), (1737, 162020), (1930, 145818), (2316, 121515), (2895, 97212), (3474, 81010), (3860, 72909), (5790, 48606), (6948, 40505), (8101, 34740), (8685, 32404), (11580, 24303), (16202, 17370)]