51531120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23857}}^1$

素因数の和:23879

約数の個数: 80

約数和(自身を含む): 177503520

約数和(自身を除く): 125972400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 23857, 47714, 71571, 95428, 119285, 143142, 190856, 214713, 238570, 286284, 357855, 381712, 429426, 477140, 572568, 644139, 715710, 858852, 954280, 1073565, 1145136, 1288278, 1431420, 1717704, 1908560, 2147130, 2576556, 2862840, 3220695, 3435408, 4294260, 5153112, 5725680, 6441390, 8588520, 10306224, 12882780, 17177040, 25765560, 51531120]

約数ペア:

[(1, 51531120), (2, 25765560), (3, 17177040), (4, 12882780), (5, 10306224), (6, 8588520), (8, 6441390), (9, 5725680), (10, 5153112), (12, 4294260), (15, 3435408), (16, 3220695), (18, 2862840), (20, 2576556), (24, 2147130), (27, 1908560), (30, 1717704), (36, 1431420), (40, 1288278), (45, 1145136), (48, 1073565), (54, 954280), (60, 858852), (72, 715710), (80, 644139), (90, 572568), (108, 477140), (120, 429426), (135, 381712), (144, 357855), (180, 286284), (216, 238570), (240, 214713), (270, 190856), (360, 143142), (432, 119285), (540, 95428), (720, 71571), (1080, 47714), (2160, 23857)]