81132990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{5171}}^1$

素因数の和:5704

約数の個数: 32

約数和(自身を含む): 195129216

約数和(自身を除く): 113996226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 523, 1046, 1569, 2615, 3138, 5171, 5230, 7845, 10342, 15513, 15690, 25855, 31026, 51710, 77565, 155130, 2704433, 5408866, 8113299, 13522165, 16226598, 27044330, 40566495, 81132990]

約数ペア:

[(1, 81132990), (2, 40566495), (3, 27044330), (5, 16226598), (6, 13522165), (10, 8113299), (15, 5408866), (30, 2704433), (523, 155130), (1046, 77565), (1569, 51710), (2615, 31026), (3138, 25855), (5171, 15690), (5230, 15513), (7845, 10342)]