189387520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:970

約数の個数: 144

約数和(自身を含む): 541578240

約数和(自身を除く): 352190720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 919, 920, 1120, 1280, 1288, 1472, 1610, 1792, 1838, 1840, 2240, 2576, 2944, 3220, 3676, 3680, 4480, 4595, 5152, 5888, 6433, 6440, 7352, 7360, 8960, 9190, 10304, 12866, 12880, 14704, 14720, 18380, 20608, 21137, 25732, 25760, 29408, 29440, 32165, 36760, 41216, 42274, 51464, 51520, 58816, 64330, 73520, 84548, 102928, 103040, 105685, 117632, 128660, 147040, 147959, 169096, 205856, 206080, 211370, 235264, 257320, 294080, 295918, 338192, 411712, 422740, 514640, 588160, 591836, 676384, 739795, 823424, 845480, 1029280, 1176320, 1183672, 1352768, 1479590, 1646848, 1690960, 2058560, 2367344, 2705536, 2959180, 3381920, 4117120, 4734688, 5411072, 5918360, 6763840, 8234240, 9469376, 11836720, 13527680, 18938752, 23673440, 27055360, 37877504, 47346880, 94693760, 189387520]

約数ペア:

[(1, 189387520), (2, 94693760), (4, 47346880), (5, 37877504), (7, 27055360), (8, 23673440), (10, 18938752), (14, 13527680), (16, 11836720), (20, 9469376), (23, 8234240), (28, 6763840), (32, 5918360), (35, 5411072), (40, 4734688), (46, 4117120), (56, 3381920), (64, 2959180), (70, 2705536), (80, 2367344), (92, 2058560), (112, 1690960), (115, 1646848), (128, 1479590), (140, 1352768), (160, 1183672), (161, 1176320), (184, 1029280), (224, 845480), (230, 823424), (256, 739795), (280, 676384), (320, 591836), (322, 588160), (368, 514640), (448, 422740), (460, 411712), (560, 338192), (640, 295918), (644, 294080), (736, 257320), (805, 235264), (896, 211370), (919, 206080), (920, 205856), (1120, 169096), (1280, 147959), (1288, 147040), (1472, 128660), (1610, 117632), (1792, 105685), (1838, 103040), (1840, 102928), (2240, 84548), (2576, 73520), (2944, 64330), (3220, 58816), (3676, 51520), (3680, 51464), (4480, 42274), (4595, 41216), (5152, 36760), (5888, 32165), (6433, 29440), (6440, 29408), (7352, 25760), (7360, 25732), (8960, 21137), (9190, 20608), (10304, 18380), (12866, 14720), (12880, 14704)]