15281420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9923}}^1$

素因数の和:9950

約数の個数: 48

約数和(自身を含む): 40013568

約数和(自身を除く): 24732148

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9923, 19846, 39692, 49615, 69461, 99230, 109153, 138922, 198460, 218306, 277844, 347305, 436612, 545765, 694610, 764071, 1091530, 1389220, 1528142, 2183060, 3056284, 3820355, 7640710, 15281420]

約数ペア:

[(1, 15281420), (2, 7640710), (4, 3820355), (5, 3056284), (7, 2183060), (10, 1528142), (11, 1389220), (14, 1091530), (20, 764071), (22, 694610), (28, 545765), (35, 436612), (44, 347305), (55, 277844), (70, 218306), (77, 198460), (110, 138922), (140, 109153), (154, 99230), (220, 69461), (308, 49615), (385, 39692), (770, 19846), (1540, 9923)]