723921680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 1717282944

約数和(自身を除く): 993361264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 233, 284, 355, 466, 547, 568, 710, 932, 1094, 1136, 1165, 1420, 1864, 2188, 2330, 2735, 2840, 3728, 4376, 4660, 5470, 5680, 8752, 9320, 10940, 16543, 18640, 21880, 33086, 38837, 43760, 66172, 77674, 82715, 127451, 132344, 155348, 165430, 194185, 254902, 264688, 310696, 330860, 388370, 509804, 621392, 637255, 661720, 776740, 1019608, 1274510, 1323440, 1553480, 2039216, 2549020, 3106960, 5098040, 9049021, 10196080, 18098042, 36196084, 45245105, 72392168, 90490210, 144784336, 180980420, 361960840, 723921680]

約数ペア:

[(1, 723921680), (2, 361960840), (4, 180980420), (5, 144784336), (8, 90490210), (10, 72392168), (16, 45245105), (20, 36196084), (40, 18098042), (71, 10196080), (80, 9049021), (142, 5098040), (233, 3106960), (284, 2549020), (355, 2039216), (466, 1553480), (547, 1323440), (568, 1274510), (710, 1019608), (932, 776740), (1094, 661720), (1136, 637255), (1165, 621392), (1420, 509804), (1864, 388370), (2188, 330860), (2330, 310696), (2735, 264688), (2840, 254902), (3728, 194185), (4376, 165430), (4660, 155348), (5470, 132344), (5680, 127451), (8752, 82715), (9320, 77674), (10940, 66172), (16543, 43760), (18640, 38837), (21880, 33086)]