81954090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1789}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 213618600

約数和(自身を除く): 131664510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 509, 1018, 1527, 1789, 2545, 3054, 3578, 4581, 5090, 5367, 7635, 8945, 9162, 10734, 15270, 16101, 17890, 22905, 26835, 32202, 45810, 53670, 80505, 161010, 910601, 1821202, 2731803, 4553005, 5463606, 8195409, 9106010, 13659015, 16390818, 27318030, 40977045, 81954090]

約数ペア:

[(1, 81954090), (2, 40977045), (3, 27318030), (5, 16390818), (6, 13659015), (9, 9106010), (10, 8195409), (15, 5463606), (18, 4553005), (30, 2731803), (45, 1821202), (90, 910601), (509, 161010), (1018, 80505), (1527, 53670), (1789, 45810), (2545, 32202), (3054, 26835), (3578, 22905), (4581, 17890), (5090, 16101), (5367, 15270), (7635, 10734), (8945, 9162)]