51121840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 152418816

約数和(自身を除く): 101296976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 172, 176, 193, 215, 220, 280, 301, 308, 344, 385, 386, 430, 440, 473, 560, 602, 616, 688, 770, 772, 860, 880, 946, 965, 1204, 1232, 1351, 1505, 1540, 1544, 1720, 1892, 1930, 2123, 2365, 2408, 2702, 3010, 3080, 3088, 3311, 3440, 3784, 3860, 4246, 4730, 4816, 5404, 6020, 6160, 6622, 6755, 7568, 7720, 8299, 8492, 9460, 10615, 10808, 12040, 13244, 13510, 14861, 15440, 16555, 16598, 16984, 18920, 21230, 21616, 24080, 26488, 27020, 29722, 33110, 33196, 33968, 37840, 41495, 42460, 52976, 54040, 58093, 59444, 66220, 66392, 74305, 82990, 84920, 91289, 108080, 116186, 118888, 132440, 132784, 148610, 165980, 169840, 182578, 232372, 237776, 264880, 290465, 297220, 331960, 365156, 456445, 464744, 580930, 594440, 639023, 663920, 730312, 912890, 929488, 1161860, 1188880, 1278046, 1460624, 1825780, 2323720, 2556092, 3195115, 3651560, 4647440, 5112184, 6390230, 7303120, 10224368, 12780460, 25560920, 51121840]

約数ペア:

[(1, 51121840), (2, 25560920), (4, 12780460), (5, 10224368), (7, 7303120), (8, 6390230), (10, 5112184), (11, 4647440), (14, 3651560), (16, 3195115), (20, 2556092), (22, 2323720), (28, 1825780), (35, 1460624), (40, 1278046), (43, 1188880), (44, 1161860), (55, 929488), (56, 912890), (70, 730312), (77, 663920), (80, 639023), (86, 594440), (88, 580930), (110, 464744), (112, 456445), (140, 365156), (154, 331960), (172, 297220), (176, 290465), (193, 264880), (215, 237776), (220, 232372), (280, 182578), (301, 169840), (308, 165980), (344, 148610), (385, 132784), (386, 132440), (430, 118888), (440, 116186), (473, 108080), (560, 91289), (602, 84920), (616, 82990), (688, 74305), (770, 66392), (772, 66220), (860, 59444), (880, 58093), (946, 54040), (965, 52976), (1204, 42460), (1232, 41495), (1351, 37840), (1505, 33968), (1540, 33196), (1544, 33110), (1720, 29722), (1892, 27020), (1930, 26488), (2123, 24080), (2365, 21616), (2408, 21230), (2702, 18920), (3010, 16984), (3080, 16598), (3088, 16555), (3311, 15440), (3440, 14861), (3784, 13510), (3860, 13244), (4246, 12040), (4730, 10808), (4816, 10615), (5404, 9460), (6020, 8492), (6160, 8299), (6622, 7720), (6755, 7568)]