81980490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4001}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 197090496

約数和(自身を除く): 115110006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 1366, 2049, 3415, 4001, 4098, 6830, 8002, 10245, 12003, 20005, 20490, 24006, 40010, 60015, 120030, 2732683, 5465366, 8198049, 13663415, 16396098, 27326830, 40990245, 81980490]

約数ペア:

[(1, 81980490), (2, 40990245), (3, 27326830), (5, 16396098), (6, 13663415), (10, 8198049), (15, 5465366), (30, 2732683), (683, 120030), (1366, 60015), (2049, 40010), (3415, 24006), (4001, 20490), (4098, 20005), (6830, 12003), (8002, 10245)]