30720090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1129}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 73874880

約数和(自身を除く): 43154790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 907, 1129, 1814, 2258, 2721, 3387, 4535, 5442, 5645, 6774, 9070, 11290, 13605, 16935, 27210, 33870, 1024003, 2048006, 3072009, 5120015, 6144018, 10240030, 15360045, 30720090]

約数ペア:

[(1, 30720090), (2, 15360045), (3, 10240030), (5, 6144018), (6, 5120015), (10, 3072009), (15, 2048006), (30, 1024003), (907, 33870), (1129, 27210), (1814, 16935), (2258, 13605), (2721, 11290), (3387, 9070), (4535, 6774), (5442, 5645)]