81309570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6827}}^1$

素因数の和:7234

約数の個数: 32

約数和(自身を含む): 195663168

約数和(自身を除く): 114353598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 5955, 6827, 11910, 13654, 20481, 34135, 40962, 68270, 102405, 204810, 2710319, 5420638, 8130957, 13551595, 16261914, 27103190, 40654785, 81309570]

約数ペア:

[(1, 81309570), (2, 40654785), (3, 27103190), (5, 16261914), (6, 13551595), (10, 8130957), (15, 5420638), (30, 2710319), (397, 204810), (794, 102405), (1191, 68270), (1985, 40962), (2382, 34135), (3970, 20481), (5955, 13654), (6827, 11910)]