123278080

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 321562080

約数和(自身を除く): 198284000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 137, 148, 152, 160, 185, 190, 256, 274, 296, 304, 320, 370, 380, 548, 592, 608, 640, 685, 703, 740, 760, 1096, 1184, 1216, 1280, 1370, 1406, 1480, 1520, 2192, 2368, 2432, 2603, 2740, 2812, 2960, 3040, 3515, 4384, 4736, 4864, 5069, 5206, 5480, 5624, 5920, 6080, 7030, 8768, 9472, 10138, 10412, 10960, 11248, 11840, 12160, 13015, 14060, 17536, 20276, 20824, 21920, 22496, 23680, 24320, 25345, 26030, 28120, 35072, 40552, 41648, 43840, 44992, 47360, 50690, 52060, 56240, 81104, 83296, 87680, 89984, 96311, 101380, 104120, 112480, 162208, 166592, 175360, 179968, 192622, 202760, 208240, 224960, 324416, 333184, 385244, 405520, 416480, 449920, 481555, 648832, 666368, 770488, 811040, 832960, 899840, 963110, 1297664, 1540976, 1622080, 1665920, 1926220, 3081952, 3244160, 3331840, 3852440, 6163904, 6488320, 7704880, 12327808, 15409760, 24655616, 30819520, 61639040, 123278080]

約数ペア:

[(1, 123278080), (2, 61639040), (4, 30819520), (5, 24655616), (8, 15409760), (10, 12327808), (16, 7704880), (19, 6488320), (20, 6163904), (32, 3852440), (37, 3331840), (38, 3244160), (40, 3081952), (64, 1926220), (74, 1665920), (76, 1622080), (80, 1540976), (95, 1297664), (128, 963110), (137, 899840), (148, 832960), (152, 811040), (160, 770488), (185, 666368), (190, 648832), (256, 481555), (274, 449920), (296, 416480), (304, 405520), (320, 385244), (370, 333184), (380, 324416), (548, 224960), (592, 208240), (608, 202760), (640, 192622), (685, 179968), (703, 175360), (740, 166592), (760, 162208), (1096, 112480), (1184, 104120), (1216, 101380), (1280, 96311), (1370, 89984), (1406, 87680), (1480, 83296), (1520, 81104), (2192, 56240), (2368, 52060), (2432, 50690), (2603, 47360), (2740, 44992), (2812, 43840), (2960, 41648), (3040, 40552), (3515, 35072), (4384, 28120), (4736, 26030), (4864, 25345), (5069, 24320), (5206, 23680), (5480, 22496), (5624, 21920), (5920, 20824), (6080, 20276), (7030, 17536), (8768, 14060), (9472, 13015), (10138, 12160), (10412, 11840), (10960, 11248)]