260123445

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2591}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 475517952

約数和(自身を除く): 215394507

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 97, 115, 207, 291, 345, 485, 873, 1035, 1455, 2231, 2591, 4365, 6693, 7773, 11155, 12955, 20079, 23319, 33465, 38865, 59593, 100395, 116595, 178779, 251327, 297965, 536337, 753981, 893895, 1256635, 2261943, 2681685, 3769905, 5780521, 11309715, 17341563, 28902605, 52024689, 86707815, 260123445]

約数ペア:

[(1, 260123445), (3, 86707815), (5, 52024689), (9, 28902605), (15, 17341563), (23, 11309715), (45, 5780521), (69, 3769905), (97, 2681685), (115, 2261943), (207, 1256635), (291, 893895), (345, 753981), (485, 536337), (873, 297965), (1035, 251327), (1455, 178779), (2231, 116595), (2591, 100395), (4365, 59593), (6693, 38865), (7773, 33465), (11155, 23319), (12955, 20079)]