19903294080

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{127979}}^1$

素因数の和:128013

約数の個数: 192

約数和(自身を含む): 71274621600

約数和(自身を除く): 51371327520

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, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5184, 5760, 6480, 7776, 8640, 9720, 10368, 12960, 15552, 17280, 19440, 25920, 31104, 38880, 51840, 77760, 127979, 155520, 255958, 383937, 511916, 639895, 767874, 1023832, 1151811, 1279790, 1535748, 1919685, 2047664, 2303622, 2559580, 3071496, 3455433, 3839370, 4095328, 4607244, 5119160, 5759055, 6142992, 6910866, 7678740, 8190656, 9214488, 10238320, 10366299, 11518110, 12285984, 13821732, 15357480, 16381312, 17277165, 18428976, 20476640, 20732598, 23036220, 24571968, 27643464, 30714960, 31098897, 34554330, 36857952, 40953280, 41465196, 46072440, 49143936, 51831495, 55286928, 61429920, 62197794, 69108660, 73715904, 81906560, 82930392, 92144880, 103662990, 110573856, 122859840, 124395588, 138217320, 147431808, 155494485, 165860784, 184289760, 207325980, 221147712, 245719680, 248791176, 276434640, 310988970, 331721568, 368579520, 414651960, 442295424, 497582352, 552869280, 621977940, 663443136, 737159040, 829303920, 995164704, 1105738560, 1243955880, 1326886272, 1658607840, 1990329408, 2211477120, 2487911760, 3317215680, 3980658816, 4975823520, 6634431360, 9951647040, 19903294080]

約数ペア:

[(1, 19903294080), (2, 9951647040), (3, 6634431360), (4, 4975823520), (5, 3980658816), (6, 3317215680), (8, 2487911760), (9, 2211477120), (10, 1990329408), (12, 1658607840), (15, 1326886272), (16, 1243955880), (18, 1105738560), (20, 995164704), (24, 829303920), (27, 737159040), (30, 663443136), (32, 621977940), (36, 552869280), (40, 497582352), (45, 442295424), (48, 414651960), (54, 368579520), (60, 331721568), (64, 310988970), (72, 276434640), (80, 248791176), (81, 245719680), (90, 221147712), (96, 207325980), (108, 184289760), (120, 165860784), (128, 155494485), (135, 147431808), (144, 138217320), (160, 124395588), (162, 122859840), (180, 110573856), (192, 103662990), (216, 92144880), (240, 82930392), (243, 81906560), (270, 73715904), (288, 69108660), (320, 62197794), (324, 61429920), (360, 55286928), (384, 51831495), (405, 49143936), (432, 46072440), (480, 41465196), (486, 40953280), (540, 36857952), (576, 34554330), (640, 31098897), (648, 30714960), (720, 27643464), (810, 24571968), (864, 23036220), (960, 20732598), (972, 20476640), (1080, 18428976), (1152, 17277165), (1215, 16381312), (1296, 15357480), (1440, 13821732), (1620, 12285984), (1728, 11518110), (1920, 10366299), (1944, 10238320), (2160, 9214488), (2430, 8190656), (2592, 7678740), (2880, 6910866), (3240, 6142992), (3456, 5759055), (3888, 5119160), (4320, 4607244), (4860, 4095328), (5184, 3839370), (5760, 3455433), (6480, 3071496), (7776, 2559580), (8640, 2303622), (9720, 2047664), (10368, 1919685), (12960, 1535748), (15552, 1279790), (17280, 1151811), (19440, 1023832), (25920, 767874), (31104, 639895), (38880, 511916), (51840, 383937), (77760, 255958), (127979, 155520)]