320190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 828576

約数和(自身を除く): 508386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 821, 1642, 2463, 4105, 4926, 8210, 10673, 12315, 21346, 24630, 32019, 53365, 64038, 106730, 160095, 320190]

約数ペア:

[(1, 320190), (2, 160095), (3, 106730), (5, 64038), (6, 53365), (10, 32019), (13, 24630), (15, 21346), (26, 12315), (30, 10673), (39, 8210), (65, 4926), (78, 4105), (130, 2463), (195, 1642), (390, 821)]