121885760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20083

約数の個数: 56

約数和(自身を含む): 305531520

約数和(自身を除く): 183645760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 380893, 400940, 641504, 761786, 801880, 1283008, 1523572, 1603760, 1904465, 3047144, 3207520, 3808930, 6094288, 6415040, 7617860, 12188576, 15235720, 24377152, 30471440, 60942880, 121885760]

約数ペア:

[(1, 121885760), (2, 60942880), (4, 30471440), (5, 24377152), (8, 15235720), (10, 12188576), (16, 7617860), (19, 6415040), (20, 6094288), (32, 3808930), (38, 3207520), (40, 3047144), (64, 1904465), (76, 1603760), (80, 1523572), (95, 1283008), (152, 801880), (160, 761786), (190, 641504), (304, 400940), (320, 380893), (380, 320752), (608, 200470), (760, 160376), (1216, 100235), (1520, 80188), (3040, 40094), (6080, 20047)]