320222445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{10429}}^1$

素因数の和:10549

約数の個数: 32

約数和(自身を含む): 540691200

約数和(自身を除く): 220468755

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 1335, 2047, 6141, 10235, 10429, 30705, 31287, 52145, 156435, 239867, 719601, 928181, 1199335, 2784543, 3598005, 4640905, 13922715, 21348163, 64044489, 106740815, 320222445]

約数ペア:

[(1, 320222445), (3, 106740815), (5, 64044489), (15, 21348163), (23, 13922715), (69, 4640905), (89, 3598005), (115, 2784543), (267, 1199335), (345, 928181), (445, 719601), (1335, 239867), (2047, 156435), (6141, 52145), (10235, 31287), (10429, 30705)]