15818180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16141}}^1$

素因数の和:16164

約数の個数: 36

約数和(自身を含む): 38643948

約数和(自身を除く): 22825768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16141, 32282, 64564, 80705, 112987, 161410, 225974, 322820, 451948, 564935, 790909, 1129870, 1581818, 2259740, 3163636, 3954545, 7909090, 15818180]

約数ペア:

[(1, 15818180), (2, 7909090), (4, 3954545), (5, 3163636), (7, 2259740), (10, 1581818), (14, 1129870), (20, 790909), (28, 564935), (35, 451948), (49, 322820), (70, 225974), (98, 161410), (140, 112987), (196, 80705), (245, 64564), (490, 32282), (980, 16141)]