26880000

素因数分解:

$2^{11}\times 3^1\times 5^4\times 7^1$

素因数の和:52

約数の個数: 240

約数和(自身を含む): 102342240

約数和(自身を除く): 75462240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 256, 280, 300, 320, 336, 350, 375, 384, 400, 420, 448, 480, 500, 512, 525, 560, 600, 625, 640, 672, 700, 750, 768, 800, 840, 875, 896, 960, 1000, 1024, 1050, 1120, 1200, 1250, 1280, 1344, 1400, 1500, 1536, 1600, 1680, 1750, 1792, 1875, 1920, 2000, 2048, 2100, 2240, 2400, 2500, 2560, 2625, 2688, 2800, 3000, 3072, 3200, 3360, 3500, 3584, 3750, 3840, 4000, 4200, 4375, 4480, 4800, 5000, 5120, 5250, 5376, 5600, 6000, 6144, 6400, 6720, 7000, 7168, 7500, 7680, 8000, 8400, 8750, 8960, 9600, 10000, 10240, 10500, 10752, 11200, 12000, 12800, 13125, 13440, 14000, 14336, 15000, 15360, 16000, 16800, 17500, 17920, 19200, 20000, 21000, 21504, 22400, 24000, 25600, 26250, 26880, 28000, 30000, 30720, 32000, 33600, 35000, 35840, 38400, 40000, 42000, 43008, 44800, 48000, 51200, 52500, 53760, 56000, 60000, 64000, 67200, 70000, 71680, 76800, 80000, 84000, 89600, 96000, 105000, 107520, 112000, 120000, 128000, 134400, 140000, 153600, 160000, 168000, 179200, 192000, 210000, 215040, 224000, 240000, 256000, 268800, 280000, 320000, 336000, 358400, 384000, 420000, 448000, 480000, 537600, 560000, 640000, 672000, 768000, 840000, 896000, 960000, 1075200, 1120000, 1280000, 1344000, 1680000, 1792000, 1920000, 2240000, 2688000, 3360000, 3840000, 4480000, 5376000, 6720000, 8960000, 13440000, 26880000]

約数ペア:

[(1, 26880000), (2, 13440000), (3, 8960000), (4, 6720000), (5, 5376000), (6, 4480000), (7, 3840000), (8, 3360000), (10, 2688000), (12, 2240000), (14, 1920000), (15, 1792000), (16, 1680000), (20, 1344000), (21, 1280000), (24, 1120000), (25, 1075200), (28, 960000), (30, 896000), (32, 840000), (35, 768000), (40, 672000), (42, 640000), (48, 560000), (50, 537600), (56, 480000), (60, 448000), (64, 420000), (70, 384000), (75, 358400), (80, 336000), (84, 320000), (96, 280000), (100, 268800), (105, 256000), (112, 240000), (120, 224000), (125, 215040), (128, 210000), (140, 192000), (150, 179200), (160, 168000), (168, 160000), (175, 153600), (192, 140000), (200, 134400), (210, 128000), (224, 120000), (240, 112000), (250, 107520), (256, 105000), (280, 96000), (300, 89600), (320, 84000), (336, 80000), (350, 76800), (375, 71680), (384, 70000), (400, 67200), (420, 64000), (448, 60000), (480, 56000), (500, 53760), (512, 52500), (525, 51200), (560, 48000), (600, 44800), (625, 43008), (640, 42000), (672, 40000), (700, 38400), (750, 35840), (768, 35000), (800, 33600), (840, 32000), (875, 30720), (896, 30000), (960, 28000), (1000, 26880), (1024, 26250), (1050, 25600), (1120, 24000), (1200, 22400), (1250, 21504), (1280, 21000), (1344, 20000), (1400, 19200), (1500, 17920), (1536, 17500), (1600, 16800), (1680, 16000), (1750, 15360), (1792, 15000), (1875, 14336), (1920, 14000), (2000, 13440), (2048, 13125), (2100, 12800), (2240, 12000), (2400, 11200), (2500, 10752), (2560, 10500), (2625, 10240), (2688, 10000), (2800, 9600), (3000, 8960), (3072, 8750), (3200, 8400), (3360, 8000), (3500, 7680), (3584, 7500), (3750, 7168), (3840, 7000), (4000, 6720), (4200, 6400), (4375, 6144), (4480, 6000), (4800, 5600), (5000, 5376), (5120, 5250)]