81808890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4241}}^1$

素因数の和:4894

約数の個数: 32

約数和(自身を含む): 196693056

約数和(自身を除く): 114884166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 3215, 3858, 4241, 6430, 8482, 9645, 12723, 19290, 21205, 25446, 42410, 63615, 127230, 2726963, 5453926, 8180889, 13634815, 16361778, 27269630, 40904445, 81808890]

約数ペア:

[(1, 81808890), (2, 40904445), (3, 27269630), (5, 16361778), (6, 13634815), (10, 8180889), (15, 5453926), (30, 2726963), (643, 127230), (1286, 63615), (1929, 42410), (3215, 25446), (3858, 21205), (4241, 19290), (6430, 12723), (8482, 9645)]