165918420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2017}}^1$

素因数の和:2489

約数の個数: 72

約数和(自身を含む): 504637224

約数和(自身を除く): 338718804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1828, 2017, 2285, 2742, 4034, 4113, 4570, 5484, 6051, 6855, 8068, 8226, 9140, 10085, 12102, 13710, 16452, 18153, 20170, 20565, 24204, 27420, 30255, 36306, 40340, 41130, 60510, 72612, 82260, 90765, 121020, 181530, 363060, 921769, 1843538, 2765307, 3687076, 4608845, 5530614, 8295921, 9217690, 11061228, 13826535, 16591842, 18435380, 27653070, 33183684, 41479605, 55306140, 82959210, 165918420]

約数ペア:

[(1, 165918420), (2, 82959210), (3, 55306140), (4, 41479605), (5, 33183684), (6, 27653070), (9, 18435380), (10, 16591842), (12, 13826535), (15, 11061228), (18, 9217690), (20, 8295921), (30, 5530614), (36, 4608845), (45, 3687076), (60, 2765307), (90, 1843538), (180, 921769), (457, 363060), (914, 181530), (1371, 121020), (1828, 90765), (2017, 82260), (2285, 72612), (2742, 60510), (4034, 41130), (4113, 40340), (4570, 36306), (5484, 30255), (6051, 27420), (6855, 24204), (8068, 20565), (8226, 20170), (9140, 18153), (10085, 16452), (12102, 13710)]