208170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257}}^1$

素因数の和:276

約数の個数: 40

約数和(自身を含む): 561924

約数和(自身を除く): 353754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 257, 270, 405, 514, 771, 810, 1285, 1542, 2313, 2570, 3855, 4626, 6939, 7710, 11565, 13878, 20817, 23130, 34695, 41634, 69390, 104085, 208170]

約数ペア:

[(1, 208170), (2, 104085), (3, 69390), (5, 41634), (6, 34695), (9, 23130), (10, 20817), (15, 13878), (18, 11565), (27, 7710), (30, 6939), (45, 4626), (54, 3855), (81, 2570), (90, 2313), (135, 1542), (162, 1285), (257, 810), (270, 771), (405, 514)]