644526720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{12433}}^1$

素因数の和:12464

約数の個数: 160

約数和(自身を含む): 2301906420

約数和(自身を除く): 1657379700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12433, 12960, 17280, 24866, 25920, 37299, 49732, 51840, 62165, 74598, 99464, 111897, 124330, 149196, 186495, 198928, 223794, 248660, 298392, 335691, 372990, 397856, 447588, 497320, 559485, 596784, 671382, 745980, 795712, 895176, 994640, 1007073, 1118970, 1193568, 1342764, 1491960, 1591424, 1678455, 1790352, 1989280, 2014146, 2237940, 2387136, 2685528, 2983920, 3356910, 3580704, 3978560, 4028292, 4475880, 4774272, 5035365, 5371056, 5967840, 6713820, 7161408, 7957120, 8056584, 8951760, 10070730, 10742112, 11935680, 13427640, 14322816, 16113168, 17903520, 20141460, 21484224, 23871360, 26855280, 32226336, 35807040, 40282920, 42968448, 53710560, 64452672, 71614080, 80565840, 107421120, 128905344, 161131680, 214842240, 322263360, 644526720]

約数ペア:

[(1, 644526720), (2, 322263360), (3, 214842240), (4, 161131680), (5, 128905344), (6, 107421120), (8, 80565840), (9, 71614080), (10, 64452672), (12, 53710560), (15, 42968448), (16, 40282920), (18, 35807040), (20, 32226336), (24, 26855280), (27, 23871360), (30, 21484224), (32, 20141460), (36, 17903520), (40, 16113168), (45, 14322816), (48, 13427640), (54, 11935680), (60, 10742112), (64, 10070730), (72, 8951760), (80, 8056584), (81, 7957120), (90, 7161408), (96, 6713820), (108, 5967840), (120, 5371056), (128, 5035365), (135, 4774272), (144, 4475880), (160, 4028292), (162, 3978560), (180, 3580704), (192, 3356910), (216, 2983920), (240, 2685528), (270, 2387136), (288, 2237940), (320, 2014146), (324, 1989280), (360, 1790352), (384, 1678455), (405, 1591424), (432, 1491960), (480, 1342764), (540, 1193568), (576, 1118970), (640, 1007073), (648, 994640), (720, 895176), (810, 795712), (864, 745980), (960, 671382), (1080, 596784), (1152, 559485), (1296, 497320), (1440, 447588), (1620, 397856), (1728, 372990), (1920, 335691), (2160, 298392), (2592, 248660), (2880, 223794), (3240, 198928), (3456, 186495), (4320, 149196), (5184, 124330), (5760, 111897), (6480, 99464), (8640, 74598), (10368, 62165), (12433, 51840), (12960, 49732), (17280, 37299), (24866, 25920)]