112801280

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:479

約数の個数: 80

約数和(自身を含む): 273263760

約数和(自身を除く): 160462480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 317, 320, 512, 556, 634, 640, 695, 1112, 1268, 1280, 1390, 1585, 2224, 2536, 2560, 2780, 3170, 4448, 5072, 5560, 6340, 8896, 10144, 11120, 12680, 17792, 20288, 22240, 25360, 35584, 40576, 44063, 44480, 50720, 71168, 81152, 88126, 88960, 101440, 162304, 176252, 177920, 202880, 220315, 352504, 355840, 405760, 440630, 705008, 811520, 881260, 1410016, 1762520, 2820032, 3525040, 5640064, 7050080, 11280128, 14100160, 22560256, 28200320, 56400640, 112801280]

約数ペア:

[(1, 112801280), (2, 56400640), (4, 28200320), (5, 22560256), (8, 14100160), (10, 11280128), (16, 7050080), (20, 5640064), (32, 3525040), (40, 2820032), (64, 1762520), (80, 1410016), (128, 881260), (139, 811520), (160, 705008), (256, 440630), (278, 405760), (317, 355840), (320, 352504), (512, 220315), (556, 202880), (634, 177920), (640, 176252), (695, 162304), (1112, 101440), (1268, 88960), (1280, 88126), (1390, 81152), (1585, 71168), (2224, 50720), (2536, 44480), (2560, 44063), (2780, 40576), (3170, 35584), (4448, 25360), (5072, 22240), (5560, 20288), (6340, 17792), (8896, 12680), (10144, 11120)]