128947368

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 370782720

約数和(自身を除く): 241835352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 43, 44, 66, 74, 86, 88, 111, 129, 132, 148, 172, 222, 258, 264, 296, 307, 344, 407, 444, 473, 516, 614, 814, 888, 921, 946, 1032, 1221, 1228, 1419, 1591, 1628, 1842, 1892, 2442, 2456, 2838, 3182, 3256, 3377, 3684, 3784, 4773, 4884, 5676, 6364, 6754, 7368, 9546, 9768, 10131, 11352, 11359, 12728, 13201, 13508, 17501, 19092, 20262, 22718, 26402, 27016, 34077, 35002, 38184, 39603, 40524, 45436, 52503, 52804, 68154, 70004, 79206, 81048, 90872, 105006, 105608, 124949, 136308, 140008, 145211, 158412, 210012, 249898, 272616, 290422, 316824, 374847, 420024, 435633, 488437, 499796, 580844, 749694, 871266, 976874, 999592, 1161688, 1465311, 1499388, 1742532, 1953748, 2930622, 2998776, 3485064, 3907496, 5372807, 5861244, 10745614, 11722488, 16118421, 21491228, 32236842, 42982456, 64473684, 128947368]

約数ペア:

[(1, 128947368), (2, 64473684), (3, 42982456), (4, 32236842), (6, 21491228), (8, 16118421), (11, 11722488), (12, 10745614), (22, 5861244), (24, 5372807), (33, 3907496), (37, 3485064), (43, 2998776), (44, 2930622), (66, 1953748), (74, 1742532), (86, 1499388), (88, 1465311), (111, 1161688), (129, 999592), (132, 976874), (148, 871266), (172, 749694), (222, 580844), (258, 499796), (264, 488437), (296, 435633), (307, 420024), (344, 374847), (407, 316824), (444, 290422), (473, 272616), (516, 249898), (614, 210012), (814, 158412), (888, 145211), (921, 140008), (946, 136308), (1032, 124949), (1221, 105608), (1228, 105006), (1419, 90872), (1591, 81048), (1628, 79206), (1842, 70004), (1892, 68154), (2442, 52804), (2456, 52503), (2838, 45436), (3182, 40524), (3256, 39603), (3377, 38184), (3684, 35002), (3784, 34077), (4773, 27016), (4884, 26402), (5676, 22718), (6364, 20262), (6754, 19092), (7368, 17501), (9546, 13508), (9768, 13201), (10131, 12728), (11352, 11359)]