80407020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3499}}^1$

素因数の和:3894

約数の個数: 48

約数和(自身を含む): 225792000

約数和(自身を除く): 145384980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 1149, 1532, 1915, 2298, 3499, 3830, 4596, 5745, 6998, 7660, 10497, 11490, 13996, 17495, 20994, 22980, 34990, 41988, 52485, 69980, 104970, 209940, 1340117, 2680234, 4020351, 5360468, 6700585, 8040702, 13401170, 16081404, 20101755, 26802340, 40203510, 80407020]

約数ペア:

[(1, 80407020), (2, 40203510), (3, 26802340), (4, 20101755), (5, 16081404), (6, 13401170), (10, 8040702), (12, 6700585), (15, 5360468), (20, 4020351), (30, 2680234), (60, 1340117), (383, 209940), (766, 104970), (1149, 69980), (1532, 52485), (1915, 41988), (2298, 34990), (3499, 22980), (3830, 20994), (4596, 17495), (5745, 13996), (6998, 11490), (7660, 10497)]