72073870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1019}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 141886080

約数和(自身を除く): 69812210

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 643, 1019, 1286, 2038, 3215, 5095, 6430, 7073, 10190, 11209, 14146, 22418, 35365, 56045, 70730, 112090, 655217, 1310434, 3276085, 6552170, 7207387, 14414774, 36036935, 72073870]

約数ペア:

[(1, 72073870), (2, 36036935), (5, 14414774), (10, 7207387), (11, 6552170), (22, 3276085), (55, 1310434), (110, 655217), (643, 112090), (1019, 70730), (1286, 56045), (2038, 35365), (3215, 22418), (5095, 14146), (6430, 11209), (7073, 10190)]