121427840

素因数分解:

$2^7\times 5^1\times {\mathrm{337}}^1\times {\mathrm{563}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 291666960

約数和(自身を除く): 170239120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 337, 563, 640, 674, 1126, 1348, 1685, 2252, 2696, 2815, 3370, 4504, 5392, 5630, 6740, 9008, 10784, 11260, 13480, 18016, 21568, 22520, 26960, 36032, 43136, 45040, 53920, 72064, 90080, 107840, 180160, 189731, 215680, 360320, 379462, 758924, 948655, 1517848, 1897310, 3035696, 3794620, 6071392, 7589240, 12142784, 15178480, 24285568, 30356960, 60713920, 121427840]

約数ペア:

[(1, 121427840), (2, 60713920), (4, 30356960), (5, 24285568), (8, 15178480), (10, 12142784), (16, 7589240), (20, 6071392), (32, 3794620), (40, 3035696), (64, 1897310), (80, 1517848), (128, 948655), (160, 758924), (320, 379462), (337, 360320), (563, 215680), (640, 189731), (674, 180160), (1126, 107840), (1348, 90080), (1685, 72064), (2252, 53920), (2696, 45040), (2815, 43136), (3370, 36032), (4504, 26960), (5392, 22520), (5630, 21568), (6740, 18016), (9008, 13480), (10784, 11260)]