15920024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 34149600

約数和(自身を除く): 18229576

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 101, 122, 136, 152, 202, 244, 323, 404, 488, 646, 808, 1037, 1159, 1292, 1717, 1919, 2074, 2318, 2584, 3434, 3838, 4148, 4636, 6161, 6868, 7676, 8296, 9272, 12322, 13736, 15352, 19703, 24644, 32623, 39406, 49288, 65246, 78812, 104737, 117059, 130492, 157624, 209474, 234118, 260984, 418948, 468236, 837896, 936472, 1990003, 3980006, 7960012, 15920024]

約数ペア:

[(1, 15920024), (2, 7960012), (4, 3980006), (8, 1990003), (17, 936472), (19, 837896), (34, 468236), (38, 418948), (61, 260984), (68, 234118), (76, 209474), (101, 157624), (122, 130492), (136, 117059), (152, 104737), (202, 78812), (244, 65246), (323, 49288), (404, 39406), (488, 32623), (646, 24644), (808, 19703), (1037, 15352), (1159, 13736), (1292, 12322), (1717, 9272), (1919, 8296), (2074, 7676), (2318, 6868), (2584, 6161), (3434, 4636), (3838, 4148)]