180206320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{45971}}^1$

素因数の和:45998

約数の個数: 60

約数和(自身を含む): 487395144

約数和(自身を除く): 307188824

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, 45971, 91942, 183884, 229855, 321797, 367768, 459710, 643594, 735536, 919420, 1287188, 1608985, 1838840, 2252579, 2574376, 3217970, 3677680, 4505158, 5148752, 6435940, 9010316, 11262895, 12871880, 18020632, 22525790, 25743760, 36041264, 45051580, 90103160, 180206320]

約数ペア:

[(1, 180206320), (2, 90103160), (4, 45051580), (5, 36041264), (7, 25743760), (8, 22525790), (10, 18020632), (14, 12871880), (16, 11262895), (20, 9010316), (28, 6435940), (35, 5148752), (40, 4505158), (49, 3677680), (56, 3217970), (70, 2574376), (80, 2252579), (98, 1838840), (112, 1608985), (140, 1287188), (196, 919420), (245, 735536), (280, 643594), (392, 459710), (490, 367768), (560, 321797), (784, 229855), (980, 183884), (1960, 91942), (3920, 45971)]