128986880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9161}}^1$

素因数の和:9193

約数の個数: 72

約数和(自身を含む): 337088304

約数和(自身を除く): 208101424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 9161, 14080, 18322, 36644, 45805, 73288, 91610, 100771, 146576, 183220, 201542, 293152, 366440, 403084, 503855, 586304, 732880, 806168, 1007710, 1172608, 1465760, 1612336, 2015420, 2345216, 2931520, 3224672, 4030840, 5863040, 6449344, 8061680, 11726080, 12898688, 16123360, 25797376, 32246720, 64493440, 128986880]

約数ペア:

[(1, 128986880), (2, 64493440), (4, 32246720), (5, 25797376), (8, 16123360), (10, 12898688), (11, 11726080), (16, 8061680), (20, 6449344), (22, 5863040), (32, 4030840), (40, 3224672), (44, 2931520), (55, 2345216), (64, 2015420), (80, 1612336), (88, 1465760), (110, 1172608), (128, 1007710), (160, 806168), (176, 732880), (220, 586304), (256, 503855), (320, 403084), (352, 366440), (440, 293152), (640, 201542), (704, 183220), (880, 146576), (1280, 100771), (1408, 91610), (1760, 73288), (2816, 45805), (3520, 36644), (7040, 18322), (9161, 14080)]