72015755

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 102220800

約数和(自身を除く): 30205045

約数列:

[1, 5, 7, 35, 43, 109, 215, 301, 439, 545, 763, 1505, 2195, 3073, 3815, 4687, 15365, 18877, 23435, 32809, 47851, 94385, 132139, 164045, 239255, 334957, 660695, 1674785, 2057593, 10287965, 14403151, 72015755]

約数ペア:

[(1, 72015755), (5, 14403151), (7, 10287965), (35, 2057593), (43, 1674785), (109, 660695), (215, 334957), (301, 239255), (439, 164045), (545, 132139), (763, 94385), (1505, 47851), (2195, 32809), (3073, 23435), (3815, 18877), (4687, 15365)]