320120210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 624879360

約数和(自身を除く): 304759150

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 83, 115, 166, 205, 230, 409, 410, 415, 818, 830, 943, 1886, 1909, 2045, 3403, 3818, 4090, 4715, 6806, 9407, 9430, 9545, 16769, 17015, 18814, 19090, 33538, 33947, 34030, 47035, 67894, 78269, 83845, 94070, 156538, 167690, 169735, 339470, 385687, 391345, 771374, 780781, 782690, 1391827, 1561562, 1928435, 2783654, 3856870, 3903905, 6959135, 7807810, 13918270, 32012021, 64024042, 160060105, 320120210]

約数ペア:

[(1, 320120210), (2, 160060105), (5, 64024042), (10, 32012021), (23, 13918270), (41, 7807810), (46, 6959135), (82, 3903905), (83, 3856870), (115, 2783654), (166, 1928435), (205, 1561562), (230, 1391827), (409, 782690), (410, 780781), (415, 771374), (818, 391345), (830, 385687), (943, 339470), (1886, 169735), (1909, 167690), (2045, 156538), (3403, 94070), (3818, 83845), (4090, 78269), (4715, 67894), (6806, 47035), (9407, 34030), (9430, 33947), (9545, 33538), (16769, 19090), (17015, 18814)]