56144240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:934

約数の個数: 80

約数和(自身を含む): 140764800

約数和(自身を除く): 84620560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 859, 860, 1520, 1634, 1718, 1720, 3268, 3436, 3440, 4085, 4295, 6536, 6872, 8170, 8590, 13072, 13744, 16321, 16340, 17180, 32642, 32680, 34360, 36937, 65284, 65360, 68720, 73874, 81605, 130568, 147748, 163210, 184685, 261136, 295496, 326420, 369370, 590992, 652840, 701803, 738740, 1305680, 1403606, 1477480, 2807212, 2954960, 3509015, 5614424, 7018030, 11228848, 14036060, 28072120, 56144240]

約数ペア:

[(1, 56144240), (2, 28072120), (4, 14036060), (5, 11228848), (8, 7018030), (10, 5614424), (16, 3509015), (19, 2954960), (20, 2807212), (38, 1477480), (40, 1403606), (43, 1305680), (76, 738740), (80, 701803), (86, 652840), (95, 590992), (152, 369370), (172, 326420), (190, 295496), (215, 261136), (304, 184685), (344, 163210), (380, 147748), (430, 130568), (688, 81605), (760, 73874), (817, 68720), (859, 65360), (860, 65284), (1520, 36937), (1634, 34360), (1718, 32680), (1720, 32642), (3268, 17180), (3436, 16340), (3440, 16321), (4085, 13744), (4295, 13072), (6536, 8590), (6872, 8170)]