20957719680

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7927}}^1$

素因数の和:7978

約数の個数: 384

約数和(自身を含む): 79474711680

約数和(自身を除く): 58516992000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 243, 255, 270, 272, 288, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 486, 510, 540, 544, 576, 612, 640, 648, 680, 720, 765, 810, 816, 864, 918, 960, 972, 1020, 1080, 1088, 1152, 1215, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1728, 1836, 1920, 1944, 2040, 2160, 2176, 2295, 2430, 2448, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3456, 3672, 3888, 4080, 4131, 4320, 4590, 4860, 4896, 5184, 5440, 5508, 5760, 6120, 6480, 6528, 6885, 7344, 7776, 7927, 8160, 8262, 8640, 9180, 9720, 9792, 10368, 10880, 11016, 12240, 12960, 13770, 14688, 15552, 15854, 16320, 16524, 17280, 18360, 19440, 19584, 20655, 22032, 23781, 24480, 25920, 27540, 29376, 31104, 31708, 32640, 33048, 36720, 38880, 39635, 41310, 44064, 47562, 48960, 51840, 55080, 58752, 63416, 66096, 71343, 73440, 77760, 79270, 82620, 88128, 95124, 97920, 110160, 118905, 126832, 132192, 134759, 142686, 146880, 155520, 158540, 165240, 176256, 190248, 214029, 220320, 237810, 253664, 264384, 269518, 285372, 293760, 317080, 330480, 356715, 380496, 404277, 428058, 440640, 475620, 507328, 528768, 539036, 570744, 634160, 642087, 660960, 673795, 713430, 760992, 808554, 856116, 881280, 951240, 1014656, 1070145, 1078072, 1141488, 1212831, 1268320, 1284174, 1321920, 1347590, 1426860, 1521984, 1617108, 1712232, 1902480, 1926261, 2021385, 2140290, 2156144, 2282976, 2425662, 2536640, 2568348, 2643840, 2695180, 2853720, 3043968, 3210435, 3234216, 3424464, 3638493, 3804960, 3852522, 4042770, 4280580, 4312288, 4565952, 4851324, 5073280, 5136696, 5390360, 5707440, 6064155, 6420870, 6468432, 6848928, 7276986, 7609920, 7705044, 8085540, 8561160, 8624576, 9131904, 9631305, 9702648, 10273392, 10780720, 10915479, 11414880, 12128310, 12841740, 12936864, 13697856, 14553972, 15219840, 15410088, 16171080, 17122320, 17249152, 18192465, 19262610, 19405296, 20546784, 21561440, 21830958, 22829760, 24256620, 25683480, 25873728, 27395712, 29107944, 30820176, 32342160, 32746437, 34244640, 36384930, 38525220, 38810592, 41093568, 43122880, 43661916, 45659520, 48513240, 51366960, 51747456, 54577395, 58215888, 61640352, 64684320, 65492874, 68489280, 72769860, 77050440, 77621184, 82187136, 86245760, 87323832, 97026480, 102733920, 109154790, 116431776, 123280704, 129368640, 130985748, 136978560, 145539720, 154100880, 155242368, 163732185, 174647664, 194052960, 205467840, 218309580, 232863552, 246561408, 258737280, 261971496, 291079440, 308201760, 327464370, 349295328, 388105920, 410935680, 436619160, 465727104, 523942992, 582158880, 616403520, 654928740, 698590656, 776211840, 873238320, 1047885984, 1164317760, 1232807040, 1309857480, 1397181312, 1746476640, 2095771968, 2328635520, 2619714960, 3492953280, 4191543936, 5239429920, 6985906560, 10478859840, 20957719680]

約数ペア:

[(1, 20957719680), (2, 10478859840), (3, 6985906560), (4, 5239429920), (5, 4191543936), (6, 3492953280), (8, 2619714960), (9, 2328635520), (10, 2095771968), (12, 1746476640), (15, 1397181312), (16, 1309857480), (17, 1232807040), (18, 1164317760), (20, 1047885984), (24, 873238320), (27, 776211840), (30, 698590656), (32, 654928740), (34, 616403520), (36, 582158880), (40, 523942992), (45, 465727104), (48, 436619160), (51, 410935680), (54, 388105920), (60, 349295328), (64, 327464370), (68, 308201760), (72, 291079440), (80, 261971496), (81, 258737280), (85, 246561408), (90, 232863552), (96, 218309580), (102, 205467840), (108, 194052960), (120, 174647664), (128, 163732185), (135, 155242368), (136, 154100880), (144, 145539720), (153, 136978560), (160, 130985748), (162, 129368640), (170, 123280704), (180, 116431776), (192, 109154790), (204, 102733920), (216, 97026480), (240, 87323832), (243, 86245760), (255, 82187136), (270, 77621184), (272, 77050440), (288, 72769860), (306, 68489280), (320, 65492874), (324, 64684320), (340, 61640352), (360, 58215888), (384, 54577395), (405, 51747456), (408, 51366960), (432, 48513240), (459, 45659520), (480, 43661916), (486, 43122880), (510, 41093568), (540, 38810592), (544, 38525220), (576, 36384930), (612, 34244640), (640, 32746437), (648, 32342160), (680, 30820176), (720, 29107944), (765, 27395712), (810, 25873728), (816, 25683480), (864, 24256620), (918, 22829760), (960, 21830958), (972, 21561440), (1020, 20546784), (1080, 19405296), (1088, 19262610), (1152, 18192465), (1215, 17249152), (1224, 17122320), (1296, 16171080), (1360, 15410088), (1377, 15219840), (1440, 14553972), (1530, 13697856), (1620, 12936864), (1632, 12841740), (1728, 12128310), (1836, 11414880), (1920, 10915479), (1944, 10780720), (2040, 10273392), (2160, 9702648), (2176, 9631305), (2295, 9131904), (2430, 8624576), (2448, 8561160), (2592, 8085540), (2720, 7705044), (2754, 7609920), (2880, 7276986), (3060, 6848928), (3240, 6468432), (3264, 6420870), (3456, 6064155), (3672, 5707440), (3888, 5390360), (4080, 5136696), (4131, 5073280), (4320, 4851324), (4590, 4565952), (4860, 4312288), (4896, 4280580), (5184, 4042770), (5440, 3852522), (5508, 3804960), (5760, 3638493), (6120, 3424464), (6480, 3234216), (6528, 3210435), (6885, 3043968), (7344, 2853720), (7776, 2695180), (7927, 2643840), (8160, 2568348), (8262, 2536640), (8640, 2425662), (9180, 2282976), (9720, 2156144), (9792, 2140290), (10368, 2021385), (10880, 1926261), (11016, 1902480), (12240, 1712232), (12960, 1617108), (13770, 1521984), (14688, 1426860), (15552, 1347590), (15854, 1321920), (16320, 1284174), (16524, 1268320), (17280, 1212831), (18360, 1141488), (19440, 1078072), (19584, 1070145), (20655, 1014656), (22032, 951240), (23781, 881280), (24480, 856116), (25920, 808554), (27540, 760992), (29376, 713430), (31104, 673795), (31708, 660960), (32640, 642087), (33048, 634160), (36720, 570744), (38880, 539036), (39635, 528768), (41310, 507328), (44064, 475620), (47562, 440640), (48960, 428058), (51840, 404277), (55080, 380496), (58752, 356715), (63416, 330480), (66096, 317080), (71343, 293760), (73440, 285372), (77760, 269518), (79270, 264384), (82620, 253664), (88128, 237810), (95124, 220320), (97920, 214029), (110160, 190248), (118905, 176256), (126832, 165240), (132192, 158540), (134759, 155520), (142686, 146880)]