80672515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 124717824

約数和(自身を除く): 44045309

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 121, 215, 301, 385, 443, 473, 605, 847, 1505, 2215, 2365, 3101, 3311, 4235, 4873, 5203, 15505, 16555, 19049, 24365, 26015, 34111, 36421, 53603, 95245, 133343, 170555, 182105, 209539, 268015, 375221, 666715, 1047695, 1466773, 1876105, 2304929, 7333865, 11524645, 16134503, 80672515]

約数ペア:

[(1, 80672515), (5, 16134503), (7, 11524645), (11, 7333865), (35, 2304929), (43, 1876105), (55, 1466773), (77, 1047695), (121, 666715), (215, 375221), (301, 268015), (385, 209539), (443, 182105), (473, 170555), (605, 133343), (847, 95245), (1505, 53603), (2215, 36421), (2365, 34111), (3101, 26015), (3311, 24365), (4235, 19049), (4873, 16555), (5203, 15505)]