82857040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 120

約数和(自身を含む): 234092160

約数和(自身を除く): 151235120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 919, 920, 980, 1127, 1288, 1610, 1838, 1840, 1960, 2254, 2576, 3220, 3676, 3920, 4508, 4595, 5635, 6433, 6440, 7352, 9016, 9190, 11270, 12866, 12880, 14704, 18032, 18380, 21137, 22540, 25732, 32165, 36760, 42274, 45031, 45080, 51464, 64330, 73520, 84548, 90062, 90160, 102928, 105685, 128660, 147959, 169096, 180124, 211370, 225155, 257320, 295918, 338192, 360248, 422740, 450310, 514640, 591836, 720496, 739795, 845480, 900620, 1035713, 1183672, 1479590, 1690960, 1801240, 2071426, 2367344, 2959180, 3602480, 4142852, 5178565, 5918360, 8285704, 10357130, 11836720, 16571408, 20714260, 41428520, 82857040]

約数ペア:

[(1, 82857040), (2, 41428520), (4, 20714260), (5, 16571408), (7, 11836720), (8, 10357130), (10, 8285704), (14, 5918360), (16, 5178565), (20, 4142852), (23, 3602480), (28, 2959180), (35, 2367344), (40, 2071426), (46, 1801240), (49, 1690960), (56, 1479590), (70, 1183672), (80, 1035713), (92, 900620), (98, 845480), (112, 739795), (115, 720496), (140, 591836), (161, 514640), (184, 450310), (196, 422740), (230, 360248), (245, 338192), (280, 295918), (322, 257320), (368, 225155), (392, 211370), (460, 180124), (490, 169096), (560, 147959), (644, 128660), (784, 105685), (805, 102928), (919, 90160), (920, 90062), (980, 84548), (1127, 73520), (1288, 64330), (1610, 51464), (1838, 45080), (1840, 45031), (1960, 42274), (2254, 36760), (2576, 32165), (3220, 25732), (3676, 22540), (3920, 21137), (4508, 18380), (4595, 18032), (5635, 14704), (6433, 12880), (6440, 12866), (7352, 11270), (9016, 9190)]