66791120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 171953280

約数和(自身を除く): 105162160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1069, 1136, 1420, 1562, 2138, 2840, 3124, 3905, 4276, 5345, 5680, 6248, 7810, 8552, 10690, 11759, 12496, 15620, 17104, 21380, 23518, 31240, 42760, 47036, 58795, 62480, 75899, 85520, 94072, 117590, 151798, 188144, 235180, 303596, 379495, 470360, 607192, 758990, 834889, 940720, 1214384, 1517980, 1669778, 3035960, 3339556, 4174445, 6071920, 6679112, 8348890, 13358224, 16697780, 33395560, 66791120]

約数ペア:

[(1, 66791120), (2, 33395560), (4, 16697780), (5, 13358224), (8, 8348890), (10, 6679112), (11, 6071920), (16, 4174445), (20, 3339556), (22, 3035960), (40, 1669778), (44, 1517980), (55, 1214384), (71, 940720), (80, 834889), (88, 758990), (110, 607192), (142, 470360), (176, 379495), (220, 303596), (284, 235180), (355, 188144), (440, 151798), (568, 117590), (710, 94072), (781, 85520), (880, 75899), (1069, 62480), (1136, 58795), (1420, 47036), (1562, 42760), (2138, 31240), (2840, 23518), (3124, 21380), (3905, 17104), (4276, 15620), (5345, 12496), (5680, 11759), (6248, 10690), (7810, 8552)]