21480000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{179}}^1$

素因数の和:214

約数の個数: 140

約数和(自身を含む): 71414640

約数和(自身を除く): 49934640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 179, 192, 200, 240, 250, 300, 320, 358, 375, 400, 480, 500, 537, 600, 625, 716, 750, 800, 895, 960, 1000, 1074, 1200, 1250, 1432, 1500, 1600, 1790, 1875, 2000, 2148, 2400, 2500, 2685, 2864, 3000, 3580, 3750, 4000, 4296, 4475, 4800, 5000, 5370, 5728, 6000, 7160, 7500, 8000, 8592, 8950, 10000, 10740, 11456, 12000, 13425, 14320, 15000, 17184, 17900, 20000, 21480, 22375, 24000, 26850, 28640, 30000, 34368, 35800, 40000, 42960, 44750, 53700, 57280, 60000, 67125, 71600, 85920, 89500, 107400, 111875, 120000, 134250, 143200, 171840, 179000, 214800, 223750, 268500, 286400, 335625, 358000, 429600, 447500, 537000, 671250, 716000, 859200, 895000, 1074000, 1342500, 1432000, 1790000, 2148000, 2685000, 3580000, 4296000, 5370000, 7160000, 10740000, 21480000]

約数ペア:

[(1, 21480000), (2, 10740000), (3, 7160000), (4, 5370000), (5, 4296000), (6, 3580000), (8, 2685000), (10, 2148000), (12, 1790000), (15, 1432000), (16, 1342500), (20, 1074000), (24, 895000), (25, 859200), (30, 716000), (32, 671250), (40, 537000), (48, 447500), (50, 429600), (60, 358000), (64, 335625), (75, 286400), (80, 268500), (96, 223750), (100, 214800), (120, 179000), (125, 171840), (150, 143200), (160, 134250), (179, 120000), (192, 111875), (200, 107400), (240, 89500), (250, 85920), (300, 71600), (320, 67125), (358, 60000), (375, 57280), (400, 53700), (480, 44750), (500, 42960), (537, 40000), (600, 35800), (625, 34368), (716, 30000), (750, 28640), (800, 26850), (895, 24000), (960, 22375), (1000, 21480), (1074, 20000), (1200, 17900), (1250, 17184), (1432, 15000), (1500, 14320), (1600, 13425), (1790, 12000), (1875, 11456), (2000, 10740), (2148, 10000), (2400, 8950), (2500, 8592), (2685, 8000), (2864, 7500), (3000, 7160), (3580, 6000), (3750, 5728), (4000, 5370), (4296, 5000), (4475, 4800)]