15358940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 34026048

約数和(自身を除く): 18667108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 193, 230, 346, 386, 460, 692, 772, 865, 965, 1730, 1930, 3460, 3860, 3979, 4439, 7958, 8878, 15916, 17756, 19895, 22195, 33389, 39790, 44390, 66778, 79580, 88780, 133556, 166945, 333890, 667780, 767947, 1535894, 3071788, 3839735, 7679470, 15358940]

約数ペア:

[(1, 15358940), (2, 7679470), (4, 3839735), (5, 3071788), (10, 1535894), (20, 767947), (23, 667780), (46, 333890), (92, 166945), (115, 133556), (173, 88780), (193, 79580), (230, 66778), (346, 44390), (386, 39790), (460, 33389), (692, 22195), (772, 19895), (865, 17756), (965, 15916), (1730, 8878), (1930, 7958), (3460, 4439), (3860, 3979)]