71878128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 226271232

約数和(自身を除く): 154393104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 71, 84, 92, 112, 131, 138, 142, 161, 168, 184, 213, 262, 276, 284, 322, 336, 368, 393, 426, 483, 497, 524, 552, 568, 644, 786, 852, 917, 966, 994, 1048, 1104, 1136, 1288, 1491, 1572, 1633, 1704, 1834, 1932, 1988, 2096, 2576, 2751, 2982, 3013, 3144, 3266, 3408, 3668, 3864, 3976, 4899, 5502, 5964, 6026, 6288, 6532, 7336, 7728, 7952, 9039, 9301, 9798, 11004, 11431, 11928, 12052, 13064, 14672, 18078, 18602, 19596, 21091, 22008, 22862, 23856, 24104, 26128, 27903, 34293, 36156, 37204, 39192, 42182, 44016, 45724, 48208, 55806, 63273, 65107, 68586, 72312, 74408, 78384, 84364, 91448, 111612, 126546, 130214, 137172, 144624, 148816, 168728, 182896, 195321, 213923, 223224, 253092, 260428, 274344, 337456, 390642, 427846, 446448, 506184, 520856, 548688, 641769, 781284, 855692, 1012368, 1041712, 1283538, 1497461, 1562568, 1711384, 2567076, 2994922, 3125136, 3422768, 4492383, 5134152, 5989844, 8984766, 10268304, 11979688, 17969532, 23959376, 35939064, 71878128]

約数ペア:

[(1, 71878128), (2, 35939064), (3, 23959376), (4, 17969532), (6, 11979688), (7, 10268304), (8, 8984766), (12, 5989844), (14, 5134152), (16, 4492383), (21, 3422768), (23, 3125136), (24, 2994922), (28, 2567076), (42, 1711384), (46, 1562568), (48, 1497461), (56, 1283538), (69, 1041712), (71, 1012368), (84, 855692), (92, 781284), (112, 641769), (131, 548688), (138, 520856), (142, 506184), (161, 446448), (168, 427846), (184, 390642), (213, 337456), (262, 274344), (276, 260428), (284, 253092), (322, 223224), (336, 213923), (368, 195321), (393, 182896), (426, 168728), (483, 148816), (497, 144624), (524, 137172), (552, 130214), (568, 126546), (644, 111612), (786, 91448), (852, 84364), (917, 78384), (966, 74408), (994, 72312), (1048, 68586), (1104, 65107), (1136, 63273), (1288, 55806), (1491, 48208), (1572, 45724), (1633, 44016), (1704, 42182), (1834, 39192), (1932, 37204), (1988, 36156), (2096, 34293), (2576, 27903), (2751, 26128), (2982, 24104), (3013, 23856), (3144, 22862), (3266, 22008), (3408, 21091), (3668, 19596), (3864, 18602), (3976, 18078), (4899, 14672), (5502, 13064), (5964, 12052), (6026, 11928), (6288, 11431), (6532, 11004), (7336, 9798), (7728, 9301), (7952, 9039)]