1215705785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2029}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 1894233600

約数和(自身を除く): 678527815

約数列:

[1, 5, 7, 17, 19, 35, 53, 85, 95, 119, 133, 265, 323, 371, 595, 665, 901, 1007, 1615, 1855, 2029, 2261, 4505, 5035, 6307, 7049, 10145, 11305, 14203, 17119, 31535, 34493, 35245, 38551, 71015, 85595, 107537, 119833, 172465, 192755, 241451, 269857, 537685, 599165, 655367, 752759, 1207255, 1349285, 1828129, 2043203, 3276835, 3763795, 4587569, 9140645, 10216015, 12796903, 14302421, 22937845, 34734451, 63984515, 71512105, 173672255, 243141157, 1215705785]

約数ペア:

[(1, 1215705785), (5, 243141157), (7, 173672255), (17, 71512105), (19, 63984515), (35, 34734451), (53, 22937845), (85, 14302421), (95, 12796903), (119, 10216015), (133, 9140645), (265, 4587569), (323, 3763795), (371, 3276835), (595, 2043203), (665, 1828129), (901, 1349285), (1007, 1207255), (1615, 752759), (1855, 655367), (2029, 599165), (2261, 537685), (4505, 269857), (5035, 241451), (6307, 192755), (7049, 172465), (10145, 119833), (11305, 107537), (14203, 85595), (17119, 71015), (31535, 38551), (34493, 35245)]