31009620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2011}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 87208128

約数和(自身を除く): 56198508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2011, 2570, 3084, 3855, 4022, 5140, 6033, 7710, 8044, 10055, 12066, 15420, 20110, 24132, 30165, 40220, 60330, 120660, 516827, 1033654, 1550481, 2067308, 2584135, 3100962, 5168270, 6201924, 7752405, 10336540, 15504810, 31009620]

約数ペア:

[(1, 31009620), (2, 15504810), (3, 10336540), (4, 7752405), (5, 6201924), (6, 5168270), (10, 3100962), (12, 2584135), (15, 2067308), (20, 1550481), (30, 1033654), (60, 516827), (257, 120660), (514, 60330), (771, 40220), (1028, 30165), (1285, 24132), (1542, 20110), (2011, 15420), (2570, 12066), (3084, 10055), (3855, 8044), (4022, 7710), (5140, 6033)]