81462030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208877}}^1$

素因数の和:208900

約数の個数: 32

約数和(自身を含む): 210549024

約数和(自身を除く): 129086994

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208877, 417754, 626631, 1044385, 1253262, 2088770, 2715401, 3133155, 5430802, 6266310, 8146203, 13577005, 16292406, 27154010, 40731015, 81462030]

約数ペア:

[(1, 81462030), (2, 40731015), (3, 27154010), (5, 16292406), (6, 13577005), (10, 8146203), (13, 6266310), (15, 5430802), (26, 3133155), (30, 2715401), (39, 2088770), (65, 1253262), (78, 1044385), (130, 626631), (195, 417754), (390, 208877)]