256743504

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1017

約数の個数: 120

約数和(自身を含む): 764281440

約数和(自身を除く): 507537936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 107, 114, 144, 152, 171, 214, 228, 304, 321, 342, 428, 456, 642, 684, 856, 877, 912, 963, 1284, 1368, 1712, 1754, 1926, 2033, 2568, 2631, 2736, 3508, 3852, 4066, 5136, 5262, 6099, 7016, 7704, 7893, 8132, 10524, 12198, 14032, 15408, 15786, 16264, 16663, 18297, 21048, 24396, 31572, 32528, 33326, 36594, 42096, 48792, 49989, 63144, 66652, 73188, 93839, 97584, 99978, 126288, 133304, 146376, 149967, 187678, 199956, 266608, 281517, 292752, 299934, 375356, 399912, 563034, 599868, 750712, 799824, 844551, 1126068, 1199736, 1501424, 1689102, 1782941, 2252136, 2399472, 3378204, 3565882, 4504272, 5348823, 6756408, 7131764, 10697646, 13512816, 14263528, 16046469, 21395292, 28527056, 32092938, 42790584, 64185876, 85581168, 128371752, 256743504]

約数ペア:

[(1, 256743504), (2, 128371752), (3, 85581168), (4, 64185876), (6, 42790584), (8, 32092938), (9, 28527056), (12, 21395292), (16, 16046469), (18, 14263528), (19, 13512816), (24, 10697646), (36, 7131764), (38, 6756408), (48, 5348823), (57, 4504272), (72, 3565882), (76, 3378204), (107, 2399472), (114, 2252136), (144, 1782941), (152, 1689102), (171, 1501424), (214, 1199736), (228, 1126068), (304, 844551), (321, 799824), (342, 750712), (428, 599868), (456, 563034), (642, 399912), (684, 375356), (856, 299934), (877, 292752), (912, 281517), (963, 266608), (1284, 199956), (1368, 187678), (1712, 149967), (1754, 146376), (1926, 133304), (2033, 126288), (2568, 99978), (2631, 97584), (2736, 93839), (3508, 73188), (3852, 66652), (4066, 63144), (5136, 49989), (5262, 48792), (6099, 42096), (7016, 36594), (7704, 33326), (7893, 32528), (8132, 31572), (10524, 24396), (12198, 21048), (14032, 18297), (15408, 16663), (15786, 16264)]