81561030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19559}}^1$

素因数の和:19708

約数の個数: 32

約数和(自身を含む): 197164800

約数和(自身を除く): 115603770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 19559, 39118, 58677, 97795, 117354, 195590, 293385, 586770, 2718701, 5437402, 8156103, 13593505, 16312206, 27187010, 40780515, 81561030]

約数ペア:

[(1, 81561030), (2, 40780515), (3, 27187010), (5, 16312206), (6, 13593505), (10, 8156103), (15, 5437402), (30, 2718701), (139, 586770), (278, 293385), (417, 195590), (695, 117354), (834, 97795), (1390, 58677), (2085, 39118), (4170, 19559)]