80776960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5737}}^1$

素因数の和:5769

約数の個数: 72

約数和(自身を含む): 211112496

約数和(自身を除く): 130335536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5737, 7040, 11474, 14080, 22948, 28685, 45896, 57370, 63107, 91792, 114740, 126214, 183584, 229480, 252428, 315535, 367168, 458960, 504856, 631070, 734336, 917920, 1009712, 1262140, 1468672, 1835840, 2019424, 2524280, 3671680, 4038848, 5048560, 7343360, 8077696, 10097120, 16155392, 20194240, 40388480, 80776960]

約数ペア:

[(1, 80776960), (2, 40388480), (4, 20194240), (5, 16155392), (8, 10097120), (10, 8077696), (11, 7343360), (16, 5048560), (20, 4038848), (22, 3671680), (32, 2524280), (40, 2019424), (44, 1835840), (55, 1468672), (64, 1262140), (80, 1009712), (88, 917920), (110, 734336), (128, 631070), (160, 504856), (176, 458960), (220, 367168), (256, 315535), (320, 252428), (352, 229480), (440, 183584), (640, 126214), (704, 114740), (880, 91792), (1280, 63107), (1408, 57370), (1760, 45896), (2816, 28685), (3520, 22948), (5737, 14080), (7040, 11474)]