20731230720

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5933

約数の個数: 400

約数和(自身を含む): 78633893448

約数和(自身を除く): 57902662728

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, 255, 256, 270, 272, 288, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 510, 512, 540, 544, 576, 612, 640, 648, 680, 720, 765, 768, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1280, 1296, 1360, 1377, 1440, 1530, 1536, 1620, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2304, 2448, 2560, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3456, 3672, 3840, 4080, 4320, 4352, 4590, 4608, 4896, 5184, 5440, 5508, 5760, 5881, 6120, 6480, 6528, 6885, 6912, 7344, 7680, 8160, 8640, 8704, 9180, 9792, 10368, 10880, 11016, 11520, 11762, 12240, 12960, 13056, 13770, 13824, 14688, 16320, 17280, 17643, 18360, 19584, 20736, 21760, 22032, 23040, 23524, 24480, 25920, 26112, 27540, 29376, 29405, 32640, 34560, 35286, 36720, 39168, 41472, 43520, 44064, 47048, 48960, 51840, 52929, 55080, 58752, 58810, 65280, 69120, 70572, 73440, 78336, 88128, 88215, 94096, 97920, 99977, 103680, 105858, 110160, 117504, 117620, 130560, 141144, 146880, 158787, 176256, 176430, 188192, 195840, 199954, 207360, 211716, 220320, 235008, 235240, 264645, 282288, 293760, 299931, 317574, 352512, 352860, 376384, 391680, 399908, 423432, 440640, 470480, 476361, 499885, 529290, 564576, 587520, 599862, 635148, 705024, 705720, 752768, 793935, 799816, 846864, 881280, 899793, 940960, 952722, 999770, 1058580, 1129152, 1175040, 1199724, 1270296, 1411440, 1499655, 1505536, 1587870, 1599632, 1693728, 1762560, 1799586, 1881920, 1905444, 1999540, 2117160, 2258304, 2381805, 2399448, 2540592, 2699379, 2822880, 2999310, 3011072, 3175740, 3199264, 3387456, 3525120, 3599172, 3763840, 3810888, 3999080, 4234320, 4498965, 4516608, 4763610, 4798896, 5081184, 5398758, 5645760, 5998620, 6351480, 6398528, 6774912, 7198344, 7527680, 7621776, 7998160, 8098137, 8468640, 8997930, 9033216, 9527220, 9597792, 10162368, 10797516, 11291520, 11997240, 12702960, 12797056, 13496895, 13549824, 14396688, 15055360, 15243552, 15996320, 16196274, 16937280, 17995860, 19054440, 19195584, 20324736, 21595032, 22583040, 23994480, 25405920, 25594112, 26993790, 27099648, 28793376, 30487104, 31992640, 32392548, 33874560, 35991720, 38108880, 38391168, 40490685, 40649472, 43190064, 45166080, 47988960, 50811840, 51188224, 53987580, 57586752, 60974208, 63985280, 64785096, 67749120, 71983440, 76217760, 76782336, 80981370, 81298944, 86380128, 95977920, 101623680, 107975160, 115173504, 121948416, 127970560, 129570192, 135498240, 143966880, 152435520, 153564672, 161962740, 172760256, 191955840, 203247360, 215950320, 230347008, 243896832, 255941120, 259140384, 287933760, 304871040, 323925480, 345520512, 383911680, 406494720, 431900640, 460694016, 518280768, 575867520, 609742080, 647850960, 691041024, 767823360, 863801280, 1036561536, 1151735040, 1219484160, 1295701920, 1382082048, 1727602560, 2073123072, 2303470080, 2591403840, 3455205120, 4146246144, 5182807680, 6910410240, 10365615360, 20731230720]

約数ペア:

[(1, 20731230720), (2, 10365615360), (3, 6910410240), (4, 5182807680), (5, 4146246144), (6, 3455205120), (8, 2591403840), (9, 2303470080), (10, 2073123072), (12, 1727602560), (15, 1382082048), (16, 1295701920), (17, 1219484160), (18, 1151735040), (20, 1036561536), (24, 863801280), (27, 767823360), (30, 691041024), (32, 647850960), (34, 609742080), (36, 575867520), (40, 518280768), (45, 460694016), (48, 431900640), (51, 406494720), (54, 383911680), (60, 345520512), (64, 323925480), (68, 304871040), (72, 287933760), (80, 259140384), (81, 255941120), (85, 243896832), (90, 230347008), (96, 215950320), (102, 203247360), (108, 191955840), (120, 172760256), (128, 161962740), (135, 153564672), (136, 152435520), (144, 143966880), (153, 135498240), (160, 129570192), (162, 127970560), (170, 121948416), (180, 115173504), (192, 107975160), (204, 101623680), (216, 95977920), (240, 86380128), (255, 81298944), (256, 80981370), (270, 76782336), (272, 76217760), (288, 71983440), (306, 67749120), (320, 64785096), (324, 63985280), (340, 60974208), (360, 57586752), (384, 53987580), (405, 51188224), (408, 50811840), (432, 47988960), (459, 45166080), (480, 43190064), (510, 40649472), (512, 40490685), (540, 38391168), (544, 38108880), (576, 35991720), (612, 33874560), (640, 32392548), (648, 31992640), (680, 30487104), (720, 28793376), (765, 27099648), (768, 26993790), (810, 25594112), (816, 25405920), (864, 23994480), (918, 22583040), (960, 21595032), (1020, 20324736), (1080, 19195584), (1088, 19054440), (1152, 17995860), (1224, 16937280), (1280, 16196274), (1296, 15996320), (1360, 15243552), (1377, 15055360), (1440, 14396688), (1530, 13549824), (1536, 13496895), (1620, 12797056), (1632, 12702960), (1728, 11997240), (1836, 11291520), (1920, 10797516), (2040, 10162368), (2160, 9597792), (2176, 9527220), (2295, 9033216), (2304, 8997930), (2448, 8468640), (2560, 8098137), (2592, 7998160), (2720, 7621776), (2754, 7527680), (2880, 7198344), (3060, 6774912), (3240, 6398528), (3264, 6351480), (3456, 5998620), (3672, 5645760), (3840, 5398758), (4080, 5081184), (4320, 4798896), (4352, 4763610), (4590, 4516608), (4608, 4498965), (4896, 4234320), (5184, 3999080), (5440, 3810888), (5508, 3763840), (5760, 3599172), (5881, 3525120), (6120, 3387456), (6480, 3199264), (6528, 3175740), (6885, 3011072), (6912, 2999310), (7344, 2822880), (7680, 2699379), (8160, 2540592), (8640, 2399448), (8704, 2381805), (9180, 2258304), (9792, 2117160), (10368, 1999540), (10880, 1905444), (11016, 1881920), (11520, 1799586), (11762, 1762560), (12240, 1693728), (12960, 1599632), (13056, 1587870), (13770, 1505536), (13824, 1499655), (14688, 1411440), (16320, 1270296), (17280, 1199724), (17643, 1175040), (18360, 1129152), (19584, 1058580), (20736, 999770), (21760, 952722), (22032, 940960), (23040, 899793), (23524, 881280), (24480, 846864), (25920, 799816), (26112, 793935), (27540, 752768), (29376, 705720), (29405, 705024), (32640, 635148), (34560, 599862), (35286, 587520), (36720, 564576), (39168, 529290), (41472, 499885), (43520, 476361), (44064, 470480), (47048, 440640), (48960, 423432), (51840, 399908), (52929, 391680), (55080, 376384), (58752, 352860), (58810, 352512), (65280, 317574), (69120, 299931), (70572, 293760), (73440, 282288), (78336, 264645), (88128, 235240), (88215, 235008), (94096, 220320), (97920, 211716), (99977, 207360), (103680, 199954), (105858, 195840), (110160, 188192), (117504, 176430), (117620, 176256), (130560, 158787), (141144, 146880)]