155810480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278233}}^1$

素因数の和:278253

約数の個数: 40

約数和(自身を含む): 414012192

約数和(自身を除く): 258201712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278233, 556466, 1112932, 1391165, 1947631, 2225864, 2782330, 3895262, 4451728, 5564660, 7790524, 9738155, 11129320, 15581048, 19476310, 22258640, 31162096, 38952620, 77905240, 155810480]

約数ペア:

[(1, 155810480), (2, 77905240), (4, 38952620), (5, 31162096), (7, 22258640), (8, 19476310), (10, 15581048), (14, 11129320), (16, 9738155), (20, 7790524), (28, 5564660), (35, 4451728), (40, 3895262), (56, 2782330), (70, 2225864), (80, 1947631), (112, 1391165), (140, 1112932), (280, 556466), (560, 278233)]