161625520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41231}}^1$

素因数の和:41258

約数の個数: 60

約数和(自身を含む): 437141664

約数和(自身を除く): 275516144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 41231, 82462, 164924, 206155, 288617, 329848, 412310, 577234, 659696, 824620, 1154468, 1443085, 1649240, 2020319, 2308936, 2886170, 3298480, 4040638, 4617872, 5772340, 8081276, 10101595, 11544680, 16162552, 20203190, 23089360, 32325104, 40406380, 80812760, 161625520]

約数ペア:

[(1, 161625520), (2, 80812760), (4, 40406380), (5, 32325104), (7, 23089360), (8, 20203190), (10, 16162552), (14, 11544680), (16, 10101595), (20, 8081276), (28, 5772340), (35, 4617872), (40, 4040638), (49, 3298480), (56, 2886170), (70, 2308936), (80, 2020319), (98, 1649240), (112, 1443085), (140, 1154468), (196, 824620), (245, 659696), (280, 577234), (392, 412310), (490, 329848), (560, 288617), (784, 206155), (980, 164924), (1960, 82462), (3920, 41231)]