129666780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2803}}^1$

素因数の和:3075

約数の個数: 72

約数和(自身を含む): 394993872

約数和(自身を除く): 265327092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 2803, 3084, 3855, 4626, 5140, 5606, 7710, 8409, 9252, 11212, 11565, 14015, 15420, 16818, 23130, 25227, 28030, 33636, 42045, 46260, 50454, 56060, 84090, 100908, 126135, 168180, 252270, 504540, 720371, 1440742, 2161113, 2881484, 3601855, 4322226, 6483339, 7203710, 8644452, 10805565, 12966678, 14407420, 21611130, 25933356, 32416695, 43222260, 64833390, 129666780]

約数ペア:

[(1, 129666780), (2, 64833390), (3, 43222260), (4, 32416695), (5, 25933356), (6, 21611130), (9, 14407420), (10, 12966678), (12, 10805565), (15, 8644452), (18, 7203710), (20, 6483339), (30, 4322226), (36, 3601855), (45, 2881484), (60, 2161113), (90, 1440742), (180, 720371), (257, 504540), (514, 252270), (771, 168180), (1028, 126135), (1285, 100908), (1542, 84090), (2313, 56060), (2570, 50454), (2803, 46260), (3084, 42045), (3855, 33636), (4626, 28030), (5140, 25227), (5606, 23130), (7710, 16818), (8409, 15420), (9252, 14015), (11212, 11565)]