20199991680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9661}}^1$

素因数の和:9711

約数の個数: 384

約数和(自身を含む): 78644815200

約数和(自身を除く): 58444823520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 121, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 242, 264, 270, 288, 297, 320, 330, 352, 360, 363, 384, 396, 432, 440, 480, 484, 495, 528, 540, 576, 594, 605, 640, 660, 704, 720, 726, 792, 864, 880, 960, 968, 990, 1056, 1080, 1089, 1152, 1188, 1210, 1320, 1408, 1440, 1452, 1485, 1584, 1728, 1760, 1815, 1920, 1936, 1980, 2112, 2160, 2178, 2376, 2420, 2640, 2880, 2904, 2970, 3168, 3267, 3456, 3520, 3630, 3872, 3960, 4224, 4320, 4356, 4752, 4840, 5280, 5445, 5760, 5808, 5940, 6336, 6534, 7040, 7260, 7744, 7920, 8640, 8712, 9504, 9661, 9680, 10560, 10890, 11616, 11880, 12672, 13068, 14520, 15488, 15840, 16335, 17280, 17424, 19008, 19322, 19360, 21120, 21780, 23232, 23760, 26136, 28983, 29040, 31680, 32670, 34848, 38016, 38644, 38720, 43560, 46464, 47520, 48305, 52272, 57966, 58080, 63360, 65340, 69696, 77288, 77440, 86949, 87120, 95040, 96610, 104544, 106271, 115932, 116160, 130680, 139392, 144915, 154576, 173898, 174240, 190080, 193220, 209088, 212542, 231864, 232320, 260847, 261360, 289830, 309152, 318813, 347796, 348480, 386440, 418176, 425084, 434745, 463728, 521694, 522720, 531355, 579660, 618304, 637626, 695592, 696960, 772880, 850168, 869490, 927456, 956439, 1043388, 1045440, 1062710, 1159320, 1168981, 1236608, 1275252, 1304235, 1391184, 1545760, 1594065, 1700336, 1738980, 1854912, 1912878, 2086776, 2090880, 2125420, 2318640, 2337962, 2550504, 2608470, 2782368, 2869317, 3091520, 3188130, 3400672, 3477960, 3506943, 3709824, 3825756, 4173552, 4250840, 4637280, 4675924, 4782195, 5101008, 5216940, 5564736, 5738634, 5844905, 6183040, 6376260, 6801344, 6955920, 7013886, 7651512, 8347104, 8501680, 9274560, 9351848, 9564390, 10202016, 10433880, 10520829, 11129472, 11477268, 11689810, 12752520, 13602688, 13911840, 14027772, 14346585, 15303024, 16694208, 17003360, 17534715, 18549120, 18703696, 19128780, 20404032, 20867760, 21041658, 22954536, 23379620, 25505040, 27823680, 28055544, 28693170, 30606048, 31562487, 33388416, 34006720, 35069430, 37407392, 38257560, 40808064, 41735520, 42083316, 45909072, 46759240, 51010080, 52604145, 55647360, 56111088, 57386340, 61212096, 63124974, 68013440, 70138860, 74814784, 76515120, 83471040, 84166632, 91818144, 93518480, 102020160, 105208290, 112222176, 114772680, 122424192, 126249948, 140277720, 149629568, 153030240, 157812435, 166942080, 168333264, 183636288, 187036960, 204040320, 210416580, 224444352, 229545360, 252499896, 280555440, 306060480, 315624870, 336666528, 367272576, 374073920, 420833160, 448888704, 459090720, 504999792, 561110880, 612120960, 631249740, 673333056, 748147840, 841666320, 918181440, 1009999584, 1122221760, 1262499480, 1346666112, 1683332640, 1836362880, 2019999168, 2244443520, 2524998960, 3366665280, 4039998336, 5049997920, 6733330560, 10099995840, 20199991680]

約数ペア:

[(1, 20199991680), (2, 10099995840), (3, 6733330560), (4, 5049997920), (5, 4039998336), (6, 3366665280), (8, 2524998960), (9, 2244443520), (10, 2019999168), (11, 1836362880), (12, 1683332640), (15, 1346666112), (16, 1262499480), (18, 1122221760), (20, 1009999584), (22, 918181440), (24, 841666320), (27, 748147840), (30, 673333056), (32, 631249740), (33, 612120960), (36, 561110880), (40, 504999792), (44, 459090720), (45, 448888704), (48, 420833160), (54, 374073920), (55, 367272576), (60, 336666528), (64, 315624870), (66, 306060480), (72, 280555440), (80, 252499896), (88, 229545360), (90, 224444352), (96, 210416580), (99, 204040320), (108, 187036960), (110, 183636288), (120, 168333264), (121, 166942080), (128, 157812435), (132, 153030240), (135, 149629568), (144, 140277720), (160, 126249948), (165, 122424192), (176, 114772680), (180, 112222176), (192, 105208290), (198, 102020160), (216, 93518480), (220, 91818144), (240, 84166632), (242, 83471040), (264, 76515120), (270, 74814784), (288, 70138860), (297, 68013440), (320, 63124974), (330, 61212096), (352, 57386340), (360, 56111088), (363, 55647360), (384, 52604145), (396, 51010080), (432, 46759240), (440, 45909072), (480, 42083316), (484, 41735520), (495, 40808064), (528, 38257560), (540, 37407392), (576, 35069430), (594, 34006720), (605, 33388416), (640, 31562487), (660, 30606048), (704, 28693170), (720, 28055544), (726, 27823680), (792, 25505040), (864, 23379620), (880, 22954536), (960, 21041658), (968, 20867760), (990, 20404032), (1056, 19128780), (1080, 18703696), (1089, 18549120), (1152, 17534715), (1188, 17003360), (1210, 16694208), (1320, 15303024), (1408, 14346585), (1440, 14027772), (1452, 13911840), (1485, 13602688), (1584, 12752520), (1728, 11689810), (1760, 11477268), (1815, 11129472), (1920, 10520829), (1936, 10433880), (1980, 10202016), (2112, 9564390), (2160, 9351848), (2178, 9274560), (2376, 8501680), (2420, 8347104), (2640, 7651512), (2880, 7013886), (2904, 6955920), (2970, 6801344), (3168, 6376260), (3267, 6183040), (3456, 5844905), (3520, 5738634), (3630, 5564736), (3872, 5216940), (3960, 5101008), (4224, 4782195), (4320, 4675924), (4356, 4637280), (4752, 4250840), (4840, 4173552), (5280, 3825756), (5445, 3709824), (5760, 3506943), (5808, 3477960), (5940, 3400672), (6336, 3188130), (6534, 3091520), (7040, 2869317), (7260, 2782368), (7744, 2608470), (7920, 2550504), (8640, 2337962), (8712, 2318640), (9504, 2125420), (9661, 2090880), (9680, 2086776), (10560, 1912878), (10890, 1854912), (11616, 1738980), (11880, 1700336), (12672, 1594065), (13068, 1545760), (14520, 1391184), (15488, 1304235), (15840, 1275252), (16335, 1236608), (17280, 1168981), (17424, 1159320), (19008, 1062710), (19322, 1045440), (19360, 1043388), (21120, 956439), (21780, 927456), (23232, 869490), (23760, 850168), (26136, 772880), (28983, 696960), (29040, 695592), (31680, 637626), (32670, 618304), (34848, 579660), (38016, 531355), (38644, 522720), (38720, 521694), (43560, 463728), (46464, 434745), (47520, 425084), (48305, 418176), (52272, 386440), (57966, 348480), (58080, 347796), (63360, 318813), (65340, 309152), (69696, 289830), (77288, 261360), (77440, 260847), (86949, 232320), (87120, 231864), (95040, 212542), (96610, 209088), (104544, 193220), (106271, 190080), (115932, 174240), (116160, 173898), (130680, 154576), (139392, 144915)]