320989376

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 84

約数和(自身を含む): 699159384

約数和(自身を除く): 378170008

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 307, 496, 527, 544, 614, 961, 992, 1054, 1088, 1228, 1922, 1984, 2108, 2456, 3844, 4216, 4912, 5219, 7688, 8432, 9517, 9824, 10438, 15376, 16337, 16864, 19034, 19648, 20876, 30752, 32674, 33728, 38068, 41752, 61504, 65348, 76136, 83504, 130696, 152272, 161789, 167008, 261392, 295027, 304544, 323578, 334016, 522784, 590054, 609088, 647156, 1045568, 1180108, 1294312, 2360216, 2588624, 4720432, 5015459, 5177248, 9440864, 10030918, 10354496, 18881728, 20061836, 40123672, 80247344, 160494688, 320989376]

約数ペア:

[(1, 320989376), (2, 160494688), (4, 80247344), (8, 40123672), (16, 20061836), (17, 18881728), (31, 10354496), (32, 10030918), (34, 9440864), (62, 5177248), (64, 5015459), (68, 4720432), (124, 2588624), (136, 2360216), (248, 1294312), (272, 1180108), (307, 1045568), (496, 647156), (527, 609088), (544, 590054), (614, 522784), (961, 334016), (992, 323578), (1054, 304544), (1088, 295027), (1228, 261392), (1922, 167008), (1984, 161789), (2108, 152272), (2456, 130696), (3844, 83504), (4216, 76136), (4912, 65348), (5219, 61504), (7688, 41752), (8432, 38068), (9517, 33728), (9824, 32674), (10438, 30752), (15376, 20876), (16337, 19648), (16864, 19034)]