170621920

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{3109}}^1$

素因数の和:3145

約数の個数: 96

約数和(自身を含む): 470232000

約数和(自身を除く): 299610080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2744, 3109, 3430, 3920, 5488, 6218, 6860, 7840, 10976, 12436, 13720, 15545, 21763, 24872, 27440, 31090, 43526, 49744, 54880, 62180, 87052, 99488, 108815, 124360, 152341, 174104, 217630, 248720, 304682, 348208, 435260, 497440, 609364, 696416, 761705, 870520, 1066387, 1218728, 1523410, 1741040, 2132774, 2437456, 3046820, 3482080, 4265548, 4874912, 5331935, 6093640, 8531096, 10663870, 12187280, 17062192, 21327740, 24374560, 34124384, 42655480, 85310960, 170621920]

約数ペア:

[(1, 170621920), (2, 85310960), (4, 42655480), (5, 34124384), (7, 24374560), (8, 21327740), (10, 17062192), (14, 12187280), (16, 10663870), (20, 8531096), (28, 6093640), (32, 5331935), (35, 4874912), (40, 4265548), (49, 3482080), (56, 3046820), (70, 2437456), (80, 2132774), (98, 1741040), (112, 1523410), (140, 1218728), (160, 1066387), (196, 870520), (224, 761705), (245, 696416), (280, 609364), (343, 497440), (392, 435260), (490, 348208), (560, 304682), (686, 248720), (784, 217630), (980, 174104), (1120, 152341), (1372, 124360), (1568, 108815), (1715, 99488), (1960, 87052), (2744, 62180), (3109, 54880), (3430, 49744), (3920, 43526), (5488, 31090), (6218, 27440), (6860, 24872), (7840, 21763), (10976, 15545), (12436, 13720)]