81708840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{863}}^1$

素因数の和:1143

約数の個数: 96

約数和(自身を含む): 266872320

約数和(自身を除く): 185163480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 263, 360, 526, 789, 863, 1052, 1315, 1578, 1726, 2104, 2367, 2589, 2630, 3156, 3452, 3945, 4315, 4734, 5178, 5260, 6312, 6904, 7767, 7890, 8630, 9468, 10356, 10520, 11835, 12945, 15534, 15780, 17260, 18936, 20712, 23670, 25890, 31068, 31560, 34520, 38835, 47340, 51780, 62136, 77670, 94680, 103560, 155340, 226969, 310680, 453938, 680907, 907876, 1134845, 1361814, 1815752, 2042721, 2269690, 2723628, 3404535, 4085442, 4539380, 5447256, 6809070, 8170884, 9078760, 10213605, 13618140, 16341768, 20427210, 27236280, 40854420, 81708840]

約数ペア:

[(1, 81708840), (2, 40854420), (3, 27236280), (4, 20427210), (5, 16341768), (6, 13618140), (8, 10213605), (9, 9078760), (10, 8170884), (12, 6809070), (15, 5447256), (18, 4539380), (20, 4085442), (24, 3404535), (30, 2723628), (36, 2269690), (40, 2042721), (45, 1815752), (60, 1361814), (72, 1134845), (90, 907876), (120, 680907), (180, 453938), (263, 310680), (360, 226969), (526, 155340), (789, 103560), (863, 94680), (1052, 77670), (1315, 62136), (1578, 51780), (1726, 47340), (2104, 38835), (2367, 34520), (2589, 31560), (2630, 31068), (3156, 25890), (3452, 23670), (3945, 20712), (4315, 18936), (4734, 17260), (5178, 15780), (5260, 15534), (6312, 12945), (6904, 11835), (7767, 10520), (7890, 10356), (8630, 9468)]