20121247770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{104651}}^1$

素因数の和:104720

約数の個数: 128

約数和(自身を含む): 56964176640

約数和(自身を除く): 36842928870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 29, 30, 34, 39, 51, 58, 65, 78, 85, 87, 102, 130, 145, 170, 174, 195, 221, 255, 290, 377, 390, 435, 442, 493, 510, 663, 754, 870, 986, 1105, 1131, 1326, 1479, 1885, 2210, 2262, 2465, 2958, 3315, 3770, 4930, 5655, 6409, 6630, 7395, 11310, 12818, 14790, 19227, 32045, 38454, 64090, 96135, 104651, 192270, 209302, 313953, 523255, 627906, 1046510, 1360463, 1569765, 1779067, 2720926, 3034879, 3139530, 3558134, 4081389, 5337201, 6069758, 6802315, 8162778, 8895335, 9104637, 10674402, 13604630, 15174395, 17790670, 18209274, 20406945, 23127871, 26686005, 30348790, 39453427, 40813890, 45523185, 46255742, 51592943, 53372010, 69383613, 78906854, 91046370, 103185886, 115639355, 118360281, 138767226, 154778829, 197267135, 231278710, 236720562, 257964715, 309557658, 346918065, 394534270, 515929430, 591801405, 670708259, 693836130, 773894145, 1183602810, 1341416518, 1547788290, 2012124777, 3353541295, 4024249554, 6707082590, 10060623885, 20121247770]

約数ペア:

[(1, 20121247770), (2, 10060623885), (3, 6707082590), (5, 4024249554), (6, 3353541295), (10, 2012124777), (13, 1547788290), (15, 1341416518), (17, 1183602810), (26, 773894145), (29, 693836130), (30, 670708259), (34, 591801405), (39, 515929430), (51, 394534270), (58, 346918065), (65, 309557658), (78, 257964715), (85, 236720562), (87, 231278710), (102, 197267135), (130, 154778829), (145, 138767226), (170, 118360281), (174, 115639355), (195, 103185886), (221, 91046370), (255, 78906854), (290, 69383613), (377, 53372010), (390, 51592943), (435, 46255742), (442, 45523185), (493, 40813890), (510, 39453427), (663, 30348790), (754, 26686005), (870, 23127871), (986, 20406945), (1105, 18209274), (1131, 17790670), (1326, 15174395), (1479, 13604630), (1885, 10674402), (2210, 9104637), (2262, 8895335), (2465, 8162778), (2958, 6802315), (3315, 6069758), (3770, 5337201), (4930, 4081389), (5655, 3558134), (6409, 3139530), (6630, 3034879), (7395, 2720926), (11310, 1779067), (12818, 1569765), (14790, 1360463), (19227, 1046510), (32045, 627906), (38454, 523255), (64090, 313953), (96135, 209302), (104651, 192270)]