85521840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8346

約数の個数: 80

約数和(自身を含む): 271315968

約数和(自身を除く): 185794128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 8287, 10320, 16574, 24861, 33148, 41435, 49722, 66296, 82870, 99444, 124305, 132592, 165740, 198888, 248610, 331480, 356341, 397776, 497220, 662960, 712682, 994440, 1069023, 1425364, 1781705, 1988880, 2138046, 2850728, 3563410, 4276092, 5345115, 5701456, 7126820, 8552184, 10690230, 14253640, 17104368, 21380460, 28507280, 42760920, 85521840]

約数ペア:

[(1, 85521840), (2, 42760920), (3, 28507280), (4, 21380460), (5, 17104368), (6, 14253640), (8, 10690230), (10, 8552184), (12, 7126820), (15, 5701456), (16, 5345115), (20, 4276092), (24, 3563410), (30, 2850728), (40, 2138046), (43, 1988880), (48, 1781705), (60, 1425364), (80, 1069023), (86, 994440), (120, 712682), (129, 662960), (172, 497220), (215, 397776), (240, 356341), (258, 331480), (344, 248610), (430, 198888), (516, 165740), (645, 132592), (688, 124305), (860, 99444), (1032, 82870), (1290, 66296), (1720, 49722), (2064, 41435), (2580, 33148), (3440, 24861), (5160, 16574), (8287, 10320)]