156220160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 389700864

約数和(自身を除く): 233480704

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, 620, 635, 640, 961, 992, 1016, 1240, 1270, 1280, 1922, 1984, 2032, 2480, 2540, 3844, 3937, 3968, 4064, 4805, 4960, 5080, 7688, 7874, 7936, 8128, 9610, 9920, 10160, 15376, 15748, 16256, 19220, 19685, 19840, 20320, 30752, 31496, 32512, 38440, 39370, 39680, 40640, 61504, 62992, 76880, 78740, 81280, 122047, 123008, 125984, 153760, 157480, 162560, 244094, 246016, 251968, 307520, 314960, 488188, 503936, 610235, 615040, 629920, 976376, 1007872, 1220470, 1230080, 1259840, 1952752, 2440940, 2519680, 3905504, 4881880, 5039360, 7811008, 9763760, 15622016, 19527520, 31244032, 39055040, 78110080, 156220160]

約数ペア:

[(1, 156220160), (2, 78110080), (4, 39055040), (5, 31244032), (8, 19527520), (10, 15622016), (16, 9763760), (20, 7811008), (31, 5039360), (32, 4881880), (40, 3905504), (62, 2519680), (64, 2440940), (80, 1952752), (124, 1259840), (127, 1230080), (128, 1220470), (155, 1007872), (160, 976376), (248, 629920), (254, 615040), (256, 610235), (310, 503936), (320, 488188), (496, 314960), (508, 307520), (620, 251968), (635, 246016), (640, 244094), (961, 162560), (992, 157480), (1016, 153760), (1240, 125984), (1270, 123008), (1280, 122047), (1922, 81280), (1984, 78740), (2032, 76880), (2480, 62992), (2540, 61504), (3844, 40640), (3937, 39680), (3968, 39370), (4064, 38440), (4805, 32512), (4960, 31496), (5080, 30752), (7688, 20320), (7874, 19840), (7936, 19685), (8128, 19220), (9610, 16256), (9920, 15748), (10160, 15376)]