210289920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 144

約数和(自身を含む): 701108352

約数和(自身を除く): 490818432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2381, 2760, 2944, 3680, 3840, 4416, 4762, 5520, 5888, 7143, 7360, 8832, 9524, 11040, 11905, 14286, 14720, 17664, 19048, 22080, 23810, 28572, 29440, 35715, 38096, 44160, 47620, 54763, 57144, 71430, 76192, 88320, 95240, 109526, 114288, 142860, 152384, 164289, 190480, 219052, 228576, 273815, 285720, 304768, 328578, 380960, 438104, 457152, 547630, 571440, 609536, 657156, 761920, 821445, 876208, 914304, 1095260, 1142880, 1314312, 1523840, 1642890, 1752416, 1828608, 2190520, 2285760, 2628624, 3047680, 3285780, 3504832, 4381040, 4571520, 5257248, 6571560, 7009664, 8762080, 9143040, 10514496, 13143120, 14019328, 17524160, 21028992, 26286240, 35048320, 42057984, 52572480, 70096640, 105144960, 210289920]

約数ペア:

[(1, 210289920), (2, 105144960), (3, 70096640), (4, 52572480), (5, 42057984), (6, 35048320), (8, 26286240), (10, 21028992), (12, 17524160), (15, 14019328), (16, 13143120), (20, 10514496), (23, 9143040), (24, 8762080), (30, 7009664), (32, 6571560), (40, 5257248), (46, 4571520), (48, 4381040), (60, 3504832), (64, 3285780), (69, 3047680), (80, 2628624), (92, 2285760), (96, 2190520), (115, 1828608), (120, 1752416), (128, 1642890), (138, 1523840), (160, 1314312), (184, 1142880), (192, 1095260), (230, 914304), (240, 876208), (256, 821445), (276, 761920), (320, 657156), (345, 609536), (368, 571440), (384, 547630), (460, 457152), (480, 438104), (552, 380960), (640, 328578), (690, 304768), (736, 285720), (768, 273815), (920, 228576), (960, 219052), (1104, 190480), (1280, 164289), (1380, 152384), (1472, 142860), (1840, 114288), (1920, 109526), (2208, 95240), (2381, 88320), (2760, 76192), (2944, 71430), (3680, 57144), (3840, 54763), (4416, 47620), (4762, 44160), (5520, 38096), (5888, 35715), (7143, 29440), (7360, 28572), (8832, 23810), (9524, 22080), (11040, 19048), (11905, 17664), (14286, 14720)]