779957440

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{17791}}^1$

素因数の和:17945

約数の個数: 56

約数和(自身を含む): 1870935552

約数和(自身を除く): 1090978112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 8768, 10960, 17791, 21920, 35582, 43840, 71164, 88955, 142328, 177910, 284656, 355820, 569312, 711640, 1138624, 1423280, 2437367, 2846560, 4874734, 5693120, 9749468, 12186835, 19498936, 24373670, 38997872, 48747340, 77995744, 97494680, 155991488, 194989360, 389978720, 779957440]

約数ペア:

[(1, 779957440), (2, 389978720), (4, 194989360), (5, 155991488), (8, 97494680), (10, 77995744), (16, 48747340), (20, 38997872), (32, 24373670), (40, 19498936), (64, 12186835), (80, 9749468), (137, 5693120), (160, 4874734), (274, 2846560), (320, 2437367), (548, 1423280), (685, 1138624), (1096, 711640), (1370, 569312), (2192, 355820), (2740, 284656), (4384, 177910), (5480, 142328), (8768, 88955), (10960, 71164), (17791, 43840), (21920, 35582)]