28327020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2729}}^1$

素因数の和:2914

約数の個数: 48

約数和(自身を含む): 79803360

約数和(自身を除く): 51476340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2076, 2595, 2729, 3460, 5190, 5458, 8187, 10380, 10916, 13645, 16374, 27290, 32748, 40935, 54580, 81870, 163740, 472117, 944234, 1416351, 1888468, 2360585, 2832702, 4721170, 5665404, 7081755, 9442340, 14163510, 28327020]

約数ペア:

[(1, 28327020), (2, 14163510), (3, 9442340), (4, 7081755), (5, 5665404), (6, 4721170), (10, 2832702), (12, 2360585), (15, 1888468), (20, 1416351), (30, 944234), (60, 472117), (173, 163740), (346, 81870), (519, 54580), (692, 40935), (865, 32748), (1038, 27290), (1730, 16374), (2076, 13645), (2595, 10916), (2729, 10380), (3460, 8187), (5190, 5458)]