78110080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 194469120

約数和(自身を除く): 116359040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 310, 320, 496, 508, 620, 635, 640, 961, 992, 1016, 1240, 1270, 1922, 1984, 2032, 2480, 2540, 3844, 3937, 3968, 4064, 4805, 4960, 5080, 7688, 7874, 8128, 9610, 9920, 10160, 15376, 15748, 16256, 19220, 19685, 19840, 20320, 30752, 31496, 38440, 39370, 40640, 61504, 62992, 76880, 78740, 81280, 122047, 123008, 125984, 153760, 157480, 244094, 251968, 307520, 314960, 488188, 503936, 610235, 615040, 629920, 976376, 1220470, 1259840, 1952752, 2440940, 2519680, 3905504, 4881880, 7811008, 9763760, 15622016, 19527520, 39055040, 78110080]

約数ペア:

[(1, 78110080), (2, 39055040), (4, 19527520), (5, 15622016), (8, 9763760), (10, 7811008), (16, 4881880), (20, 3905504), (31, 2519680), (32, 2440940), (40, 1952752), (62, 1259840), (64, 1220470), (80, 976376), (124, 629920), (127, 615040), (128, 610235), (155, 503936), (160, 488188), (248, 314960), (254, 307520), (310, 251968), (320, 244094), (496, 157480), (508, 153760), (620, 125984), (635, 123008), (640, 122047), (961, 81280), (992, 78740), (1016, 76880), (1240, 62992), (1270, 61504), (1922, 40640), (1984, 39370), (2032, 38440), (2480, 31496), (2540, 30752), (3844, 20320), (3937, 19840), (3968, 19685), (4064, 19220), (4805, 16256), (4960, 15748), (5080, 15376), (7688, 10160), (7874, 9920), (8128, 9610)]