115912960

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 280097496

約数和(自身を除く): 164184536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 548, 640, 661, 685, 1096, 1280, 1322, 1370, 2192, 2644, 2740, 3305, 4384, 5288, 5480, 6610, 8768, 10576, 10960, 13220, 17536, 21152, 21920, 26440, 35072, 42304, 43840, 52880, 84608, 87680, 90557, 105760, 169216, 175360, 181114, 211520, 362228, 423040, 452785, 724456, 846080, 905570, 1448912, 1811140, 2897824, 3622280, 5795648, 7244560, 11591296, 14489120, 23182592, 28978240, 57956480, 115912960]

約数ペア:

[(1, 115912960), (2, 57956480), (4, 28978240), (5, 23182592), (8, 14489120), (10, 11591296), (16, 7244560), (20, 5795648), (32, 3622280), (40, 2897824), (64, 1811140), (80, 1448912), (128, 905570), (137, 846080), (160, 724456), (256, 452785), (274, 423040), (320, 362228), (548, 211520), (640, 181114), (661, 175360), (685, 169216), (1096, 105760), (1280, 90557), (1322, 87680), (1370, 84608), (2192, 52880), (2644, 43840), (2740, 42304), (3305, 35072), (4384, 26440), (5288, 21920), (5480, 21152), (6610, 17536), (8768, 13220), (10576, 10960)]