20211442560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10601}}^1$

素因数の和:10957

約数の個数: 192

約数和(自身を含む): 70010094960

約数和(自身を除く): 49798652400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 331, 360, 384, 480, 576, 640, 662, 720, 960, 993, 1152, 1324, 1440, 1655, 1920, 1986, 2648, 2880, 2979, 3310, 3972, 4965, 5296, 5760, 5958, 6620, 7944, 9930, 10592, 10601, 11916, 13240, 14895, 15888, 19860, 21184, 21202, 23832, 26480, 29790, 31776, 31803, 39720, 42368, 42404, 47664, 52960, 53005, 59580, 63552, 63606, 79440, 84808, 95328, 95409, 105920, 106010, 119160, 127104, 127212, 158880, 159015, 169616, 190656, 190818, 211840, 212020, 238320, 254424, 317760, 318030, 339232, 381312, 381636, 424040, 476640, 477045, 508848, 635520, 636060, 678464, 763272, 848080, 953280, 954090, 1017696, 1272120, 1356928, 1526544, 1696160, 1906560, 1908180, 2035392, 2544240, 3053088, 3392320, 3508931, 3816360, 4070784, 5088480, 6106176, 6784640, 7017862, 7632720, 10176960, 10526793, 12212352, 14035724, 15265440, 17544655, 20353920, 21053586, 28071448, 30530880, 31580379, 35089310, 42107172, 52633965, 56142896, 61061760, 63160758, 70178620, 84214344, 105267930, 112285792, 126321516, 140357240, 157901895, 168428688, 210535860, 224571584, 252643032, 280714480, 315803790, 336857376, 421071720, 449143168, 505286064, 561428960, 631607580, 673714752, 842143440, 1010572128, 1122857920, 1263215160, 1347429504, 1684286880, 2021144256, 2245715840, 2526430320, 3368573760, 4042288512, 5052860640, 6737147520, 10105721280, 20211442560]

約数ペア:

[(1, 20211442560), (2, 10105721280), (3, 6737147520), (4, 5052860640), (5, 4042288512), (6, 3368573760), (8, 2526430320), (9, 2245715840), (10, 2021144256), (12, 1684286880), (15, 1347429504), (16, 1263215160), (18, 1122857920), (20, 1010572128), (24, 842143440), (30, 673714752), (32, 631607580), (36, 561428960), (40, 505286064), (45, 449143168), (48, 421071720), (60, 336857376), (64, 315803790), (72, 280714480), (80, 252643032), (90, 224571584), (96, 210535860), (120, 168428688), (128, 157901895), (144, 140357240), (160, 126321516), (180, 112285792), (192, 105267930), (240, 84214344), (288, 70178620), (320, 63160758), (331, 61061760), (360, 56142896), (384, 52633965), (480, 42107172), (576, 35089310), (640, 31580379), (662, 30530880), (720, 28071448), (960, 21053586), (993, 20353920), (1152, 17544655), (1324, 15265440), (1440, 14035724), (1655, 12212352), (1920, 10526793), (1986, 10176960), (2648, 7632720), (2880, 7017862), (2979, 6784640), (3310, 6106176), (3972, 5088480), (4965, 4070784), (5296, 3816360), (5760, 3508931), (5958, 3392320), (6620, 3053088), (7944, 2544240), (9930, 2035392), (10592, 1908180), (10601, 1906560), (11916, 1696160), (13240, 1526544), (14895, 1356928), (15888, 1272120), (19860, 1017696), (21184, 954090), (21202, 953280), (23832, 848080), (26480, 763272), (29790, 678464), (31776, 636060), (31803, 635520), (39720, 508848), (42368, 477045), (42404, 476640), (47664, 424040), (52960, 381636), (53005, 381312), (59580, 339232), (63552, 318030), (63606, 317760), (79440, 254424), (84808, 238320), (95328, 212020), (95409, 211840), (105920, 190818), (106010, 190656), (119160, 169616), (127104, 159015), (127212, 158880)]