138786560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9857}}^1$

素因数の和:9889

約数の個数: 72

約数和(自身を含む): 362695536

約数和(自身を除く): 223908976

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, 7040, 9857, 14080, 19714, 39428, 49285, 78856, 98570, 108427, 157712, 197140, 216854, 315424, 394280, 433708, 542135, 630848, 788560, 867416, 1084270, 1261696, 1577120, 1734832, 2168540, 2523392, 3154240, 3469664, 4337080, 6308480, 6939328, 8674160, 12616960, 13878656, 17348320, 27757312, 34696640, 69393280, 138786560]

約数ペア:

[(1, 138786560), (2, 69393280), (4, 34696640), (5, 27757312), (8, 17348320), (10, 13878656), (11, 12616960), (16, 8674160), (20, 6939328), (22, 6308480), (32, 4337080), (40, 3469664), (44, 3154240), (55, 2523392), (64, 2168540), (80, 1734832), (88, 1577120), (110, 1261696), (128, 1084270), (160, 867416), (176, 788560), (220, 630848), (256, 542135), (320, 433708), (352, 394280), (440, 315424), (640, 216854), (704, 197140), (880, 157712), (1280, 108427), (1408, 98570), (1760, 78856), (2816, 49285), (3520, 39428), (7040, 19714), (9857, 14080)]