268207360

素因数分解:

$2^8\times 5^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 645442056

約数和(自身を除く): 377234696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 317, 320, 634, 640, 661, 1268, 1280, 1322, 1585, 2536, 2644, 3170, 3305, 5072, 5288, 6340, 6610, 10144, 10576, 12680, 13220, 20288, 21152, 25360, 26440, 40576, 42304, 50720, 52880, 81152, 84608, 101440, 105760, 169216, 202880, 209537, 211520, 405760, 419074, 423040, 838148, 846080, 1047685, 1676296, 2095370, 3352592, 4190740, 6705184, 8381480, 13410368, 16762960, 26820736, 33525920, 53641472, 67051840, 134103680, 268207360]

約数ペア:

[(1, 268207360), (2, 134103680), (4, 67051840), (5, 53641472), (8, 33525920), (10, 26820736), (16, 16762960), (20, 13410368), (32, 8381480), (40, 6705184), (64, 4190740), (80, 3352592), (128, 2095370), (160, 1676296), (256, 1047685), (317, 846080), (320, 838148), (634, 423040), (640, 419074), (661, 405760), (1268, 211520), (1280, 209537), (1322, 202880), (1585, 169216), (2536, 105760), (2644, 101440), (3170, 84608), (3305, 81152), (5072, 52880), (5288, 50720), (6340, 42304), (6610, 40576), (10144, 26440), (10576, 25360), (12680, 21152), (13220, 20288)]