80121867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 56735733

約数列:

[1, 3, 7, 17, 21, 29, 51, 71, 87, 109, 119, 203, 213, 327, 357, 493, 497, 609, 763, 1207, 1479, 1491, 1853, 2059, 2289, 3161, 3451, 3621, 5559, 6177, 7739, 8449, 9483, 10353, 12971, 14413, 22127, 23217, 25347, 35003, 38913, 43239, 53737, 54173, 66381, 105009, 131563, 161211, 162519, 224431, 245021, 376159, 394689, 673293, 735063, 920941, 1128477, 1571017, 2762823, 3815327, 4713051, 11445981, 26707289, 80121867]

約数ペア:

[(1, 80121867), (3, 26707289), (7, 11445981), (17, 4713051), (21, 3815327), (29, 2762823), (51, 1571017), (71, 1128477), (87, 920941), (109, 735063), (119, 673293), (203, 394689), (213, 376159), (327, 245021), (357, 224431), (493, 162519), (497, 161211), (609, 131563), (763, 105009), (1207, 66381), (1479, 54173), (1491, 53737), (1853, 43239), (2059, 38913), (2289, 35003), (3161, 25347), (3451, 23217), (3621, 22127), (5559, 14413), (6177, 12971), (7739, 10353), (8449, 9483)]