81924180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105031}}^1$

素因数の和:105056

約数の個数: 48

約数和(自身を含む): 247035264

約数和(自身を除く): 165111084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 105031, 210062, 315093, 420124, 525155, 630186, 1050310, 1260372, 1365403, 1575465, 2100620, 2730806, 3150930, 4096209, 5461612, 6301860, 6827015, 8192418, 13654030, 16384836, 20481045, 27308060, 40962090, 81924180]

約数ペア:

[(1, 81924180), (2, 40962090), (3, 27308060), (4, 20481045), (5, 16384836), (6, 13654030), (10, 8192418), (12, 6827015), (13, 6301860), (15, 5461612), (20, 4096209), (26, 3150930), (30, 2730806), (39, 2100620), (52, 1575465), (60, 1365403), (65, 1260372), (78, 1050310), (130, 630186), (156, 525155), (195, 420124), (260, 315093), (390, 210062), (780, 105031)]