128570960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229591}}^1$

素因数の和:229611

約数の個数: 40

約数和(自身を含む): 341632896

約数和(自身を除く): 213061936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229591, 459182, 918364, 1147955, 1607137, 1836728, 2295910, 3214274, 3673456, 4591820, 6428548, 8035685, 9183640, 12857096, 16071370, 18367280, 25714192, 32142740, 64285480, 128570960]

約数ペア:

[(1, 128570960), (2, 64285480), (4, 32142740), (5, 25714192), (7, 18367280), (8, 16071370), (10, 12857096), (14, 9183640), (16, 8035685), (20, 6428548), (28, 4591820), (35, 3673456), (40, 3214274), (56, 2295910), (70, 1836728), (80, 1607137), (112, 1147955), (140, 918364), (280, 459182), (560, 229591)]