261879870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{12347}}^1$

素因数の和:12465

約数の個数: 64

約数和(自身を含む): 725469696

約数和(自身を除く): 463589826

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 1010, 1414, 1515, 2121, 3030, 3535, 4242, 7070, 10605, 12347, 21210, 24694, 37041, 61735, 74082, 86429, 123470, 172858, 185205, 259287, 370410, 432145, 518574, 864290, 1247047, 1296435, 2494094, 2592870, 3741141, 6235235, 7482282, 8729329, 12470470, 17458658, 18705705, 26187987, 37411410, 43646645, 52375974, 87293290, 130939935, 261879870]

約数ペア:

[(1, 261879870), (2, 130939935), (3, 87293290), (5, 52375974), (6, 43646645), (7, 37411410), (10, 26187987), (14, 18705705), (15, 17458658), (21, 12470470), (30, 8729329), (35, 7482282), (42, 6235235), (70, 3741141), (101, 2592870), (105, 2494094), (202, 1296435), (210, 1247047), (303, 864290), (505, 518574), (606, 432145), (707, 370410), (1010, 259287), (1414, 185205), (1515, 172858), (2121, 123470), (3030, 86429), (3535, 74082), (4242, 61735), (7070, 37041), (10605, 24694), (12347, 21210)]