20121012720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{14639}}^1$

素因数の和:14764

約数の個数: 240

約数和(自身を含む): 71365432320

約数和(自身を除く): 51244419600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 83, 90, 92, 115, 120, 138, 144, 166, 180, 184, 207, 230, 240, 249, 276, 332, 345, 360, 368, 414, 415, 460, 498, 552, 664, 690, 720, 747, 828, 830, 920, 996, 1035, 1104, 1245, 1328, 1380, 1494, 1656, 1660, 1840, 1909, 1992, 2070, 2490, 2760, 2988, 3312, 3320, 3735, 3818, 3984, 4140, 4980, 5520, 5727, 5976, 6640, 7470, 7636, 8280, 9545, 9960, 11454, 11952, 14639, 14940, 15272, 16560, 17181, 19090, 19920, 22908, 28635, 29278, 29880, 30544, 34362, 38180, 43917, 45816, 57270, 58556, 59760, 68724, 73195, 76360, 85905, 87834, 91632, 114540, 117112, 131751, 137448, 146390, 152720, 171810, 175668, 219585, 229080, 234224, 263502, 274896, 292780, 336697, 343620, 351336, 439170, 458160, 527004, 585560, 658755, 673394, 687240, 702672, 878340, 1010091, 1054008, 1171120, 1215037, 1317510, 1346788, 1374480, 1683485, 1756680, 2020182, 2108016, 2430074, 2635020, 2693576, 3030273, 3366970, 3513360, 3645111, 4040364, 4860148, 5050455, 5270040, 5387152, 6060546, 6075185, 6733940, 7290222, 8080728, 9720296, 10100910, 10540080, 10935333, 12121092, 12150370, 13467880, 14580444, 15151365, 16161456, 18225555, 19440592, 20201820, 21870666, 24242184, 24300740, 26935760, 27945851, 29160888, 30302730, 36451110, 40403640, 43741332, 48484368, 48601480, 54676665, 55891702, 58321776, 60605460, 72902220, 80807280, 83837553, 87482664, 97202960, 109353330, 111783404, 121210920, 139729255, 145804440, 167675106, 174965328, 218706660, 223566808, 242421840, 251512659, 279458510, 291608880, 335350212, 419187765, 437413320, 447133616, 503025318, 558917020, 670700424, 838375530, 874826640, 1006050636, 1117834040, 1257563295, 1341400848, 1676751060, 2012101272, 2235668080, 2515126590, 3353502120, 4024202544, 5030253180, 6707004240, 10060506360, 20121012720]

約数ペア:

[(1, 20121012720), (2, 10060506360), (3, 6707004240), (4, 5030253180), (5, 4024202544), (6, 3353502120), (8, 2515126590), (9, 2235668080), (10, 2012101272), (12, 1676751060), (15, 1341400848), (16, 1257563295), (18, 1117834040), (20, 1006050636), (23, 874826640), (24, 838375530), (30, 670700424), (36, 558917020), (40, 503025318), (45, 447133616), (46, 437413320), (48, 419187765), (60, 335350212), (69, 291608880), (72, 279458510), (80, 251512659), (83, 242421840), (90, 223566808), (92, 218706660), (115, 174965328), (120, 167675106), (138, 145804440), (144, 139729255), (166, 121210920), (180, 111783404), (184, 109353330), (207, 97202960), (230, 87482664), (240, 83837553), (249, 80807280), (276, 72902220), (332, 60605460), (345, 58321776), (360, 55891702), (368, 54676665), (414, 48601480), (415, 48484368), (460, 43741332), (498, 40403640), (552, 36451110), (664, 30302730), (690, 29160888), (720, 27945851), (747, 26935760), (828, 24300740), (830, 24242184), (920, 21870666), (996, 20201820), (1035, 19440592), (1104, 18225555), (1245, 16161456), (1328, 15151365), (1380, 14580444), (1494, 13467880), (1656, 12150370), (1660, 12121092), (1840, 10935333), (1909, 10540080), (1992, 10100910), (2070, 9720296), (2490, 8080728), (2760, 7290222), (2988, 6733940), (3312, 6075185), (3320, 6060546), (3735, 5387152), (3818, 5270040), (3984, 5050455), (4140, 4860148), (4980, 4040364), (5520, 3645111), (5727, 3513360), (5976, 3366970), (6640, 3030273), (7470, 2693576), (7636, 2635020), (8280, 2430074), (9545, 2108016), (9960, 2020182), (11454, 1756680), (11952, 1683485), (14639, 1374480), (14940, 1346788), (15272, 1317510), (16560, 1215037), (17181, 1171120), (19090, 1054008), (19920, 1010091), (22908, 878340), (28635, 702672), (29278, 687240), (29880, 673394), (30544, 658755), (34362, 585560), (38180, 527004), (43917, 458160), (45816, 439170), (57270, 351336), (58556, 343620), (59760, 336697), (68724, 292780), (73195, 274896), (76360, 263502), (85905, 234224), (87834, 229080), (91632, 219585), (114540, 175668), (117112, 171810), (131751, 152720), (137448, 146390)]