206364420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1783}}^1$

素因数の和:2441

約数の個数: 72

約数和(自身を含む): 627297216

約数和(自身を除く): 420932796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 1286, 1783, 1929, 2572, 3215, 3566, 3858, 5349, 5787, 6430, 7132, 7716, 8915, 9645, 10698, 11574, 12860, 16047, 17830, 19290, 21396, 23148, 26745, 28935, 32094, 35660, 38580, 53490, 57870, 64188, 80235, 106980, 115740, 160470, 320940, 1146469, 2292938, 3439407, 4585876, 5732345, 6878814, 10318221, 11464690, 13757628, 17197035, 20636442, 22929380, 34394070, 41272884, 51591105, 68788140, 103182210, 206364420]

約数ペア:

[(1, 206364420), (2, 103182210), (3, 68788140), (4, 51591105), (5, 41272884), (6, 34394070), (9, 22929380), (10, 20636442), (12, 17197035), (15, 13757628), (18, 11464690), (20, 10318221), (30, 6878814), (36, 5732345), (45, 4585876), (60, 3439407), (90, 2292938), (180, 1146469), (643, 320940), (1286, 160470), (1783, 115740), (1929, 106980), (2572, 80235), (3215, 64188), (3566, 57870), (3858, 53490), (5349, 38580), (5787, 35660), (6430, 32094), (7132, 28935), (7716, 26745), (8915, 23148), (9645, 21396), (10698, 19290), (11574, 17830), (12860, 16047)]