15615620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 19099900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 409, 415, 460, 818, 830, 1636, 1660, 1909, 2045, 3818, 4090, 7636, 8180, 9407, 9545, 18814, 19090, 33947, 37628, 38180, 47035, 67894, 94070, 135788, 169735, 188140, 339470, 678940, 780781, 1561562, 3123124, 3903905, 7807810, 15615620]

約数ペア:

[(1, 15615620), (2, 7807810), (4, 3903905), (5, 3123124), (10, 1561562), (20, 780781), (23, 678940), (46, 339470), (83, 188140), (92, 169735), (115, 135788), (166, 94070), (230, 67894), (332, 47035), (409, 38180), (415, 37628), (460, 33947), (818, 19090), (830, 18814), (1636, 9545), (1660, 9407), (1909, 8180), (2045, 7636), (3818, 4090)]