81166080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:966

約数の個数: 144

約数和(自身を含む): 270789120

約数和(自身を除く): 189623040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 919, 920, 960, 1104, 1280, 1380, 1472, 1838, 1840, 1920, 2208, 2757, 2760, 2944, 3676, 3680, 3840, 4416, 4595, 5514, 5520, 5888, 7352, 7360, 8832, 9190, 11028, 11040, 13785, 14704, 14720, 17664, 18380, 21137, 22056, 22080, 27570, 29408, 29440, 36760, 42274, 44112, 44160, 55140, 58816, 63411, 73520, 84548, 88224, 88320, 105685, 110280, 117632, 126822, 147040, 169096, 176448, 211370, 220560, 235264, 253644, 294080, 317055, 338192, 352896, 422740, 441120, 507288, 588160, 634110, 676384, 705792, 845480, 882240, 1014576, 1176320, 1268220, 1352768, 1690960, 1764480, 2029152, 2536440, 2705536, 3381920, 3528960, 4058304, 5072880, 5411072, 6763840, 8116608, 10145760, 13527680, 16233216, 20291520, 27055360, 40583040, 81166080]

約数ペア:

[(1, 81166080), (2, 40583040), (3, 27055360), (4, 20291520), (5, 16233216), (6, 13527680), (8, 10145760), (10, 8116608), (12, 6763840), (15, 5411072), (16, 5072880), (20, 4058304), (23, 3528960), (24, 3381920), (30, 2705536), (32, 2536440), (40, 2029152), (46, 1764480), (48, 1690960), (60, 1352768), (64, 1268220), (69, 1176320), (80, 1014576), (92, 882240), (96, 845480), (115, 705792), (120, 676384), (128, 634110), (138, 588160), (160, 507288), (184, 441120), (192, 422740), (230, 352896), (240, 338192), (256, 317055), (276, 294080), (320, 253644), (345, 235264), (368, 220560), (384, 211370), (460, 176448), (480, 169096), (552, 147040), (640, 126822), (690, 117632), (736, 110280), (768, 105685), (919, 88320), (920, 88224), (960, 84548), (1104, 73520), (1280, 63411), (1380, 58816), (1472, 55140), (1838, 44160), (1840, 44112), (1920, 42274), (2208, 36760), (2757, 29440), (2760, 29408), (2944, 27570), (3676, 22080), (3680, 22056), (3840, 21137), (4416, 18380), (4595, 17664), (5514, 14720), (5520, 14704), (5888, 13785), (7352, 11040), (7360, 11028), (8832, 9190)]