1296699520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 128

約数和(自身を含む): 3263379840

約数和(自身を除く): 1966680320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 137, 160, 184, 230, 274, 320, 368, 460, 548, 640, 643, 685, 736, 920, 1096, 1286, 1370, 1472, 1840, 2192, 2572, 2740, 2944, 3151, 3215, 3680, 4384, 5144, 5480, 6302, 6430, 7360, 8768, 10288, 10960, 12604, 12860, 14720, 14789, 15755, 17536, 20576, 21920, 25208, 25720, 29578, 31510, 41152, 43840, 50416, 51440, 59156, 63020, 73945, 82304, 87680, 88091, 100832, 102880, 118312, 126040, 147890, 176182, 201664, 205760, 236624, 252080, 295780, 352364, 403328, 411520, 440455, 473248, 504160, 591560, 704728, 880910, 946496, 1008320, 1183120, 1409456, 1761820, 1892992, 2016640, 2026093, 2366240, 2818912, 3523640, 4052186, 4732480, 5637824, 7047280, 8104372, 9464960, 10130465, 11275648, 14094560, 16208744, 20260930, 28189120, 32417488, 40521860, 56378240, 64834976, 81043720, 129669952, 162087440, 259339904, 324174880, 648349760, 1296699520]

約数ペア:

[(1, 1296699520), (2, 648349760), (4, 324174880), (5, 259339904), (8, 162087440), (10, 129669952), (16, 81043720), (20, 64834976), (23, 56378240), (32, 40521860), (40, 32417488), (46, 28189120), (64, 20260930), (80, 16208744), (92, 14094560), (115, 11275648), (128, 10130465), (137, 9464960), (160, 8104372), (184, 7047280), (230, 5637824), (274, 4732480), (320, 4052186), (368, 3523640), (460, 2818912), (548, 2366240), (640, 2026093), (643, 2016640), (685, 1892992), (736, 1761820), (920, 1409456), (1096, 1183120), (1286, 1008320), (1370, 946496), (1472, 880910), (1840, 704728), (2192, 591560), (2572, 504160), (2740, 473248), (2944, 440455), (3151, 411520), (3215, 403328), (3680, 352364), (4384, 295780), (5144, 252080), (5480, 236624), (6302, 205760), (6430, 201664), (7360, 176182), (8768, 147890), (10288, 126040), (10960, 118312), (12604, 102880), (12860, 100832), (14720, 88091), (14789, 87680), (15755, 82304), (17536, 73945), (20576, 63020), (21920, 59156), (25208, 51440), (25720, 50416), (29578, 43840), (31510, 41152)]