644139000

素因数分解:

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

素因数の和:23887

約数の個数: 128

約数和(自身を含む): 2233108800

約数和(自身を除く): 1588969800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 180, 200, 216, 225, 250, 270, 300, 360, 375, 450, 500, 540, 600, 675, 750, 900, 1000, 1080, 1125, 1350, 1500, 1800, 2250, 2700, 3000, 3375, 4500, 5400, 6750, 9000, 13500, 23857, 27000, 47714, 71571, 95428, 119285, 143142, 190856, 214713, 238570, 286284, 357855, 429426, 477140, 572568, 596425, 644139, 715710, 858852, 954280, 1073565, 1192850, 1288278, 1431420, 1717704, 1789275, 2147130, 2385700, 2576556, 2862840, 2982125, 3220695, 3578550, 4294260, 4771400, 5153112, 5367825, 5964250, 6441390, 7157100, 8588520, 8946375, 10735650, 11928500, 12882780, 14314200, 16103475, 17892750, 21471300, 23857000, 25765560, 26839125, 32206950, 35785500, 42942600, 53678250, 64413900, 71571000, 80517375, 107356500, 128827800, 161034750, 214713000, 322069500, 644139000]

約数ペア:

[(1, 644139000), (2, 322069500), (3, 214713000), (4, 161034750), (5, 128827800), (6, 107356500), (8, 80517375), (9, 71571000), (10, 64413900), (12, 53678250), (15, 42942600), (18, 35785500), (20, 32206950), (24, 26839125), (25, 25765560), (27, 23857000), (30, 21471300), (36, 17892750), (40, 16103475), (45, 14314200), (50, 12882780), (54, 11928500), (60, 10735650), (72, 8946375), (75, 8588520), (90, 7157100), (100, 6441390), (108, 5964250), (120, 5367825), (125, 5153112), (135, 4771400), (150, 4294260), (180, 3578550), (200, 3220695), (216, 2982125), (225, 2862840), (250, 2576556), (270, 2385700), (300, 2147130), (360, 1789275), (375, 1717704), (450, 1431420), (500, 1288278), (540, 1192850), (600, 1073565), (675, 954280), (750, 858852), (900, 715710), (1000, 644139), (1080, 596425), (1125, 572568), (1350, 477140), (1500, 429426), (1800, 357855), (2250, 286284), (2700, 238570), (3000, 214713), (3375, 190856), (4500, 143142), (5400, 119285), (6750, 95428), (9000, 71571), (13500, 47714), (23857, 27000)]