60721780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61961}}^1$

素因数の和:61984

約数の個数: 36

約数和(自身を含む): 148337028

約数和(自身を除く): 87615248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 61961, 123922, 247844, 309805, 433727, 619610, 867454, 1239220, 1734908, 2168635, 3036089, 4337270, 6072178, 8674540, 12144356, 15180445, 30360890, 60721780]

約数ペア:

[(1, 60721780), (2, 30360890), (4, 15180445), (5, 12144356), (7, 8674540), (10, 6072178), (14, 4337270), (20, 3036089), (28, 2168635), (35, 1734908), (49, 1239220), (70, 867454), (98, 619610), (140, 433727), (196, 309805), (245, 247844), (490, 123922), (980, 61961)]