320021824

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1287

約数の個数: 56

約数和(自身を含む): 656701760

約数和(自身を除く): 336679936

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 103, 172, 206, 344, 412, 688, 824, 1129, 1376, 1648, 2258, 2752, 3296, 4429, 4516, 6592, 8858, 9032, 17716, 18064, 35432, 36128, 48547, 70864, 72256, 97094, 116287, 141728, 194188, 232574, 283456, 388376, 465148, 776752, 930296, 1553504, 1860592, 3107008, 3721184, 5000341, 7442368, 10000682, 20001364, 40002728, 80005456, 160010912, 320021824]

約数ペア:

[(1, 320021824), (2, 160010912), (4, 80005456), (8, 40002728), (16, 20001364), (32, 10000682), (43, 7442368), (64, 5000341), (86, 3721184), (103, 3107008), (172, 1860592), (206, 1553504), (344, 930296), (412, 776752), (688, 465148), (824, 388376), (1129, 283456), (1376, 232574), (1648, 194188), (2258, 141728), (2752, 116287), (3296, 97094), (4429, 72256), (4516, 70864), (6592, 48547), (8858, 36128), (9032, 35432), (17716, 18064)]