80721198

素因数分解:

$2^1\times 3^5\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 189097272

約数和(自身を除く): 108376074

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 67, 74, 81, 111, 134, 162, 201, 222, 243, 333, 402, 486, 603, 666, 999, 1206, 1809, 1998, 2479, 2997, 3618, 4489, 4958, 5427, 5994, 7437, 8978, 8991, 10854, 13467, 14874, 16281, 17982, 22311, 26934, 32562, 40401, 44622, 66933, 80802, 121203, 133866, 166093, 200799, 242406, 332186, 363609, 401598, 498279, 602397, 727218, 996558, 1090827, 1204794, 1494837, 2181654, 2989674, 4484511, 8969022, 13453533, 26907066, 40360599, 80721198]

約数ペア:

[(1, 80721198), (2, 40360599), (3, 26907066), (6, 13453533), (9, 8969022), (18, 4484511), (27, 2989674), (37, 2181654), (54, 1494837), (67, 1204794), (74, 1090827), (81, 996558), (111, 727218), (134, 602397), (162, 498279), (201, 401598), (222, 363609), (243, 332186), (333, 242406), (402, 200799), (486, 166093), (603, 133866), (666, 121203), (999, 80802), (1206, 66933), (1809, 44622), (1998, 40401), (2479, 32562), (2997, 26934), (3618, 22311), (4489, 17982), (4958, 16281), (5427, 14874), (5994, 13467), (7437, 10854), (8978, 8991)]