20528261760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7879}}^1$

素因数の和:7983

約数の個数: 256

約数和(自身を含む): 69444864000

約数和(自身を除く): 48916602240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 59, 60, 64, 69, 80, 92, 96, 115, 118, 120, 128, 138, 160, 177, 184, 192, 230, 236, 240, 276, 295, 320, 345, 354, 368, 384, 460, 472, 480, 552, 590, 640, 690, 708, 736, 885, 920, 944, 960, 1104, 1180, 1357, 1380, 1416, 1472, 1770, 1840, 1888, 1920, 2208, 2360, 2714, 2760, 2832, 2944, 3540, 3680, 3776, 4071, 4416, 4720, 5428, 5520, 5664, 6785, 7080, 7360, 7552, 7879, 8142, 8832, 9440, 10856, 11040, 11328, 13570, 14160, 14720, 15758, 16284, 18880, 20355, 21712, 22080, 22656, 23637, 27140, 28320, 31516, 32568, 37760, 39395, 40710, 43424, 44160, 47274, 54280, 56640, 63032, 65136, 78790, 81420, 86848, 94548, 108560, 113280, 118185, 126064, 130272, 157580, 162840, 173696, 181217, 189096, 217120, 236370, 252128, 260544, 315160, 325680, 362434, 378192, 434240, 464861, 472740, 504256, 521088, 543651, 630320, 651360, 724868, 756384, 868480, 906085, 929722, 945480, 1008512, 1087302, 1260640, 1302720, 1394583, 1449736, 1512768, 1812170, 1859444, 1890960, 2174604, 2324305, 2521280, 2605440, 2718255, 2789166, 2899472, 3025536, 3624340, 3718888, 3781920, 4349208, 4648610, 5042560, 5436510, 5578332, 5798944, 6972915, 7248680, 7437776, 7563840, 8698416, 9297220, 10691803, 10873020, 11156664, 11597888, 13945830, 14497360, 14875552, 15127680, 17396832, 18594440, 21383606, 21746040, 22313328, 23195776, 27891660, 28994720, 29751104, 32075409, 34793664, 37188880, 42767212, 43492080, 44626656, 53459015, 55783320, 57989440, 59502208, 64150818, 69587328, 74377760, 85534424, 86984160, 89253312, 106918030, 111566640, 115978880, 128301636, 148755520, 160377045, 171068848, 173968320, 178506624, 213836060, 223133280, 256603272, 297511040, 320754090, 342137696, 347936640, 427672120, 446266560, 513206544, 641508180, 684275392, 855344240, 892533120, 1026413088, 1283016360, 1368550784, 1710688480, 2052826176, 2566032720, 3421376960, 4105652352, 5132065440, 6842753920, 10264130880, 20528261760]

約数ペア:

[(1, 20528261760), (2, 10264130880), (3, 6842753920), (4, 5132065440), (5, 4105652352), (6, 3421376960), (8, 2566032720), (10, 2052826176), (12, 1710688480), (15, 1368550784), (16, 1283016360), (20, 1026413088), (23, 892533120), (24, 855344240), (30, 684275392), (32, 641508180), (40, 513206544), (46, 446266560), (48, 427672120), (59, 347936640), (60, 342137696), (64, 320754090), (69, 297511040), (80, 256603272), (92, 223133280), (96, 213836060), (115, 178506624), (118, 173968320), (120, 171068848), (128, 160377045), (138, 148755520), (160, 128301636), (177, 115978880), (184, 111566640), (192, 106918030), (230, 89253312), (236, 86984160), (240, 85534424), (276, 74377760), (295, 69587328), (320, 64150818), (345, 59502208), (354, 57989440), (368, 55783320), (384, 53459015), (460, 44626656), (472, 43492080), (480, 42767212), (552, 37188880), (590, 34793664), (640, 32075409), (690, 29751104), (708, 28994720), (736, 27891660), (885, 23195776), (920, 22313328), (944, 21746040), (960, 21383606), (1104, 18594440), (1180, 17396832), (1357, 15127680), (1380, 14875552), (1416, 14497360), (1472, 13945830), (1770, 11597888), (1840, 11156664), (1888, 10873020), (1920, 10691803), (2208, 9297220), (2360, 8698416), (2714, 7563840), (2760, 7437776), (2832, 7248680), (2944, 6972915), (3540, 5798944), (3680, 5578332), (3776, 5436510), (4071, 5042560), (4416, 4648610), (4720, 4349208), (5428, 3781920), (5520, 3718888), (5664, 3624340), (6785, 3025536), (7080, 2899472), (7360, 2789166), (7552, 2718255), (7879, 2605440), (8142, 2521280), (8832, 2324305), (9440, 2174604), (10856, 1890960), (11040, 1859444), (11328, 1812170), (13570, 1512768), (14160, 1449736), (14720, 1394583), (15758, 1302720), (16284, 1260640), (18880, 1087302), (20355, 1008512), (21712, 945480), (22080, 929722), (22656, 906085), (23637, 868480), (27140, 756384), (28320, 724868), (31516, 651360), (32568, 630320), (37760, 543651), (39395, 521088), (40710, 504256), (43424, 472740), (44160, 464861), (47274, 434240), (54280, 378192), (56640, 362434), (63032, 325680), (65136, 315160), (78790, 260544), (81420, 252128), (86848, 236370), (94548, 217120), (108560, 189096), (113280, 181217), (118185, 173696), (126064, 162840), (130272, 157580)]