209640960

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 240

約数和(自身を含む): 755170416

約数和(自身を除く): 545529456

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, 243, 256, 270, 288, 320, 324, 337, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 674, 720, 768, 810, 864, 960, 972, 1011, 1080, 1152, 1215, 1280, 1296, 1348, 1440, 1536, 1620, 1685, 1728, 1920, 1944, 2022, 2160, 2304, 2430, 2560, 2592, 2696, 2880, 3033, 3240, 3370, 3456, 3840, 3888, 4044, 4320, 4608, 4860, 5055, 5184, 5392, 5760, 6066, 6480, 6740, 6912, 7680, 7776, 8088, 8640, 9099, 9720, 10110, 10368, 10784, 11520, 12132, 12960, 13480, 13824, 15165, 15552, 16176, 17280, 18198, 19440, 20220, 20736, 21568, 23040, 24264, 25920, 26960, 27297, 30330, 31104, 32352, 34560, 36396, 38880, 40440, 41472, 43136, 45495, 48528, 51840, 53920, 54594, 60660, 62208, 64704, 69120, 72792, 77760, 80880, 81891, 86272, 90990, 97056, 103680, 107840, 109188, 121320, 124416, 129408, 136485, 145584, 155520, 161760, 163782, 172544, 181980, 194112, 207360, 215680, 218376, 242640, 258816, 272970, 291168, 311040, 323520, 327564, 363960, 388224, 409455, 431360, 436752, 485280, 517632, 545940, 582336, 622080, 647040, 655128, 727920, 776448, 818910, 862720, 873504, 970560, 1091880, 1164672, 1294080, 1310256, 1455840, 1552896, 1637820, 1747008, 1941120, 2183760, 2329344, 2588160, 2620512, 2911680, 3275640, 3494016, 3882240, 4367520, 4658688, 5241024, 5823360, 6551280, 6988032, 7764480, 8735040, 10482048, 11646720, 13102560, 13976064, 17470080, 20964096, 23293440, 26205120, 34940160, 41928192, 52410240, 69880320, 104820480, 209640960]

約数ペア:

[(1, 209640960), (2, 104820480), (3, 69880320), (4, 52410240), (5, 41928192), (6, 34940160), (8, 26205120), (9, 23293440), (10, 20964096), (12, 17470080), (15, 13976064), (16, 13102560), (18, 11646720), (20, 10482048), (24, 8735040), (27, 7764480), (30, 6988032), (32, 6551280), (36, 5823360), (40, 5241024), (45, 4658688), (48, 4367520), (54, 3882240), (60, 3494016), (64, 3275640), (72, 2911680), (80, 2620512), (81, 2588160), (90, 2329344), (96, 2183760), (108, 1941120), (120, 1747008), (128, 1637820), (135, 1552896), (144, 1455840), (160, 1310256), (162, 1294080), (180, 1164672), (192, 1091880), (216, 970560), (240, 873504), (243, 862720), (256, 818910), (270, 776448), (288, 727920), (320, 655128), (324, 647040), (337, 622080), (360, 582336), (384, 545940), (405, 517632), (432, 485280), (480, 436752), (486, 431360), (512, 409455), (540, 388224), (576, 363960), (640, 327564), (648, 323520), (674, 311040), (720, 291168), (768, 272970), (810, 258816), (864, 242640), (960, 218376), (972, 215680), (1011, 207360), (1080, 194112), (1152, 181980), (1215, 172544), (1280, 163782), (1296, 161760), (1348, 155520), (1440, 145584), (1536, 136485), (1620, 129408), (1685, 124416), (1728, 121320), (1920, 109188), (1944, 107840), (2022, 103680), (2160, 97056), (2304, 90990), (2430, 86272), (2560, 81891), (2592, 80880), (2696, 77760), (2880, 72792), (3033, 69120), (3240, 64704), (3370, 62208), (3456, 60660), (3840, 54594), (3888, 53920), (4044, 51840), (4320, 48528), (4608, 45495), (4860, 43136), (5055, 41472), (5184, 40440), (5392, 38880), (5760, 36396), (6066, 34560), (6480, 32352), (6740, 31104), (6912, 30330), (7680, 27297), (7776, 26960), (8088, 25920), (8640, 24264), (9099, 23040), (9720, 21568), (10110, 20736), (10368, 20220), (10784, 19440), (11520, 18198), (12132, 17280), (12960, 16176), (13480, 15552), (13824, 15165)]