155698480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{39719}}^1$

素因数の和:39746

約数の個数: 60

約数和(自身を含む): 421111440

約数和(自身を除く): 265412960

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, 39719, 79438, 158876, 198595, 278033, 317752, 397190, 556066, 635504, 794380, 1112132, 1390165, 1588760, 1946231, 2224264, 2780330, 3177520, 3892462, 4448528, 5560660, 7784924, 9731155, 11121320, 15569848, 19462310, 22242640, 31139696, 38924620, 77849240, 155698480]

約数ペア:

[(1, 155698480), (2, 77849240), (4, 38924620), (5, 31139696), (7, 22242640), (8, 19462310), (10, 15569848), (14, 11121320), (16, 9731155), (20, 7784924), (28, 5560660), (35, 4448528), (40, 3892462), (49, 3177520), (56, 2780330), (70, 2224264), (80, 1946231), (98, 1588760), (112, 1390165), (140, 1112132), (196, 794380), (245, 635504), (280, 556066), (392, 397190), (490, 317752), (560, 278033), (784, 198595), (980, 158876), (1960, 79438), (3920, 39719)]