855810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 2294136

約数和(自身を除く): 1438326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 257, 333, 370, 514, 555, 666, 771, 1110, 1285, 1542, 1665, 2313, 2570, 3330, 3855, 4626, 7710, 9509, 11565, 19018, 23130, 28527, 47545, 57054, 85581, 95090, 142635, 171162, 285270, 427905, 855810]

約数ペア:

[(1, 855810), (2, 427905), (3, 285270), (5, 171162), (6, 142635), (9, 95090), (10, 85581), (15, 57054), (18, 47545), (30, 28527), (37, 23130), (45, 19018), (74, 11565), (90, 9509), (111, 7710), (185, 4626), (222, 3855), (257, 3330), (333, 2570), (370, 2313), (514, 1665), (555, 1542), (666, 1285), (771, 1110)]