1249761280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 3122945280

約数和(自身を除く): 1873184000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 512, 620, 635, 640, 961, 992, 1016, 1024, 1240, 1270, 1280, 1922, 1984, 2032, 2048, 2480, 2540, 2560, 3844, 3937, 3968, 4064, 4805, 4960, 5080, 5120, 7688, 7874, 7936, 8128, 9610, 9920, 10160, 10240, 15376, 15748, 15872, 16256, 19220, 19685, 19840, 20320, 30752, 31496, 31744, 32512, 38440, 39370, 39680, 40640, 61504, 62992, 63488, 65024, 76880, 78740, 79360, 81280, 122047, 123008, 125984, 130048, 153760, 157480, 158720, 162560, 244094, 246016, 251968, 260096, 307520, 314960, 317440, 325120, 488188, 492032, 503936, 610235, 615040, 629920, 650240, 976376, 984064, 1007872, 1220470, 1230080, 1259840, 1300480, 1952752, 1968128, 2015744, 2440940, 2460160, 2519680, 3905504, 4031488, 4881880, 4920320, 5039360, 7811008, 8062976, 9763760, 9840640, 10078720, 15622016, 19527520, 20157440, 31244032, 39055040, 40314880, 62488064, 78110080, 124976128, 156220160, 249952256, 312440320, 624880640, 1249761280]

約数ペア:

[(1, 1249761280), (2, 624880640), (4, 312440320), (5, 249952256), (8, 156220160), (10, 124976128), (16, 78110080), (20, 62488064), (31, 40314880), (32, 39055040), (40, 31244032), (62, 20157440), (64, 19527520), (80, 15622016), (124, 10078720), (127, 9840640), (128, 9763760), (155, 8062976), (160, 7811008), (248, 5039360), (254, 4920320), (256, 4881880), (310, 4031488), (320, 3905504), (496, 2519680), (508, 2460160), (512, 2440940), (620, 2015744), (635, 1968128), (640, 1952752), (961, 1300480), (992, 1259840), (1016, 1230080), (1024, 1220470), (1240, 1007872), (1270, 984064), (1280, 976376), (1922, 650240), (1984, 629920), (2032, 615040), (2048, 610235), (2480, 503936), (2540, 492032), (2560, 488188), (3844, 325120), (3937, 317440), (3968, 314960), (4064, 307520), (4805, 260096), (4960, 251968), (5080, 246016), (5120, 244094), (7688, 162560), (7874, 158720), (7936, 157480), (8128, 153760), (9610, 130048), (9920, 125984), (10160, 123008), (10240, 122047), (15376, 81280), (15748, 79360), (15872, 78740), (16256, 76880), (19220, 65024), (19685, 63488), (19840, 62992), (20320, 61504), (30752, 40640), (31496, 39680), (31744, 39370), (32512, 38440)]