80540490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72559}}^1$

素因数の和:72606

約数の個数: 32

約数和(自身を含む): 198524160

約数和(自身を除く): 117983670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 72559, 145118, 217677, 362795, 435354, 725590, 1088385, 2176770, 2684683, 5369366, 8054049, 13423415, 16108098, 26846830, 40270245, 80540490]

約数ペア:

[(1, 80540490), (2, 40270245), (3, 26846830), (5, 16108098), (6, 13423415), (10, 8054049), (15, 5369366), (30, 2684683), (37, 2176770), (74, 1088385), (111, 725590), (185, 435354), (222, 362795), (370, 217677), (555, 145118), (1110, 72559)]