12906420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 23417868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 857, 1004, 1255, 1506, 1714, 2510, 2571, 3012, 3428, 3765, 4285, 5020, 5142, 7530, 8570, 10284, 12855, 15060, 17140, 25710, 51420, 215107, 430214, 645321, 860428, 1075535, 1290642, 2151070, 2581284, 3226605, 4302140, 6453210, 12906420]

約数ペア:

[(1, 12906420), (2, 6453210), (3, 4302140), (4, 3226605), (5, 2581284), (6, 2151070), (10, 1290642), (12, 1075535), (15, 860428), (20, 645321), (30, 430214), (60, 215107), (251, 51420), (502, 25710), (753, 17140), (857, 15060), (1004, 12855), (1255, 10284), (1506, 8570), (1714, 7530), (2510, 5142), (2571, 5020), (3012, 4285), (3428, 3765)]