81082140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1427}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 227428992

約数和(自身を除く): 146346852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 947, 1427, 1894, 2841, 2854, 3788, 4281, 4735, 5682, 5708, 7135, 8562, 9470, 11364, 14205, 14270, 17124, 18940, 21405, 28410, 28540, 42810, 56820, 85620, 1351369, 2702738, 4054107, 5405476, 6756845, 8108214, 13513690, 16216428, 20270535, 27027380, 40541070, 81082140]

約数ペア:

[(1, 81082140), (2, 40541070), (3, 27027380), (4, 20270535), (5, 16216428), (6, 13513690), (10, 8108214), (12, 6756845), (15, 5405476), (20, 4054107), (30, 2702738), (60, 1351369), (947, 85620), (1427, 56820), (1894, 42810), (2841, 28540), (2854, 28410), (3788, 21405), (4281, 18940), (4735, 17124), (5682, 14270), (5708, 14205), (7135, 11364), (8562, 9470)]