272840080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 651119040

約数和(自身を除く): 378278960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 109, 134, 218, 268, 335, 436, 467, 536, 545, 670, 872, 934, 1072, 1090, 1340, 1744, 1868, 2180, 2335, 2680, 3736, 4360, 4670, 5360, 7303, 7472, 8720, 9340, 14606, 18680, 29212, 31289, 36515, 37360, 50903, 58424, 62578, 73030, 101806, 116848, 125156, 146060, 156445, 203612, 250312, 254515, 292120, 312890, 407224, 500624, 509030, 584240, 625780, 814448, 1018060, 1251560, 2036120, 2503120, 3410501, 4072240, 6821002, 13642004, 17052505, 27284008, 34105010, 54568016, 68210020, 136420040, 272840080]

約数ペア:

[(1, 272840080), (2, 136420040), (4, 68210020), (5, 54568016), (8, 34105010), (10, 27284008), (16, 17052505), (20, 13642004), (40, 6821002), (67, 4072240), (80, 3410501), (109, 2503120), (134, 2036120), (218, 1251560), (268, 1018060), (335, 814448), (436, 625780), (467, 584240), (536, 509030), (545, 500624), (670, 407224), (872, 312890), (934, 292120), (1072, 254515), (1090, 250312), (1340, 203612), (1744, 156445), (1868, 146060), (2180, 125156), (2335, 116848), (2680, 101806), (3736, 73030), (4360, 62578), (4670, 58424), (5360, 50903), (7303, 37360), (7472, 36515), (8720, 31289), (9340, 29212), (14606, 18680)]