165714080

素因数分解:

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

素因数の和:971

約数の個数: 144

約数和(自身を含む): 475735680

約数和(自身を除く): 310021600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 919, 920, 980, 1120, 1127, 1288, 1568, 1610, 1838, 1840, 1960, 2254, 2576, 3220, 3676, 3680, 3920, 4508, 4595, 5152, 5635, 6433, 6440, 7352, 7840, 9016, 9190, 11270, 12866, 12880, 14704, 18032, 18380, 21137, 22540, 25732, 25760, 29408, 32165, 36064, 36760, 42274, 45031, 45080, 51464, 64330, 73520, 84548, 90062, 90160, 102928, 105685, 128660, 147040, 147959, 169096, 180124, 180320, 205856, 211370, 225155, 257320, 295918, 338192, 360248, 422740, 450310, 514640, 591836, 676384, 720496, 739795, 845480, 900620, 1029280, 1035713, 1183672, 1440992, 1479590, 1690960, 1801240, 2071426, 2367344, 2959180, 3381920, 3602480, 4142852, 4734688, 5178565, 5918360, 7204960, 8285704, 10357130, 11836720, 16571408, 20714260, 23673440, 33142816, 41428520, 82857040, 165714080]

約数ペア:

[(1, 165714080), (2, 82857040), (4, 41428520), (5, 33142816), (7, 23673440), (8, 20714260), (10, 16571408), (14, 11836720), (16, 10357130), (20, 8285704), (23, 7204960), (28, 5918360), (32, 5178565), (35, 4734688), (40, 4142852), (46, 3602480), (49, 3381920), (56, 2959180), (70, 2367344), (80, 2071426), (92, 1801240), (98, 1690960), (112, 1479590), (115, 1440992), (140, 1183672), (160, 1035713), (161, 1029280), (184, 900620), (196, 845480), (224, 739795), (230, 720496), (245, 676384), (280, 591836), (322, 514640), (368, 450310), (392, 422740), (460, 360248), (490, 338192), (560, 295918), (644, 257320), (736, 225155), (784, 211370), (805, 205856), (919, 180320), (920, 180124), (980, 169096), (1120, 147959), (1127, 147040), (1288, 128660), (1568, 105685), (1610, 102928), (1838, 90160), (1840, 90062), (1960, 84548), (2254, 73520), (2576, 64330), (3220, 51464), (3676, 45080), (3680, 45031), (3920, 42274), (4508, 36760), (4595, 36064), (5152, 32165), (5635, 29408), (6433, 25760), (6440, 25732), (7352, 22540), (7840, 21137), (9016, 18380), (9190, 18032), (11270, 14704), (12866, 12880)]