61743640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{220513}}^1$

素因数の和:220531

約数の個数: 32

約数和(自身を含む): 158770080

約数和(自身を除く): 97026440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 220513, 441026, 882052, 1102565, 1543591, 1764104, 2205130, 3087182, 4410260, 6174364, 7717955, 8820520, 12348728, 15435910, 30871820, 61743640]

約数ペア:

[(1, 61743640), (2, 30871820), (4, 15435910), (5, 12348728), (7, 8820520), (8, 7717955), (10, 6174364), (14, 4410260), (20, 3087182), (28, 2205130), (35, 1764104), (40, 1543591), (56, 1102565), (70, 882052), (140, 441026), (280, 220513)]