20265388800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1055489}}^1$

素因数の和:1055518

約数の個数: 108

約数和(自身を含む): 66880068360

約数和(自身を除く): 46614679560

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, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 19200, 1055489, 2110978, 3166467, 4221956, 5277445, 6332934, 8443912, 10554890, 12665868, 15832335, 16887824, 21109780, 25331736, 26387225, 31664670, 33775648, 42219560, 50663472, 52774450, 63329340, 67551296, 79161675, 84439120, 101326944, 105548900, 126658680, 135102592, 158323350, 168878240, 202653888, 211097800, 253317360, 270205184, 316646700, 337756480, 405307776, 422195600, 506634720, 633293400, 675512960, 810615552, 844391200, 1013269440, 1266586800, 1351025920, 1688782400, 2026538880, 2533173600, 3377564800, 4053077760, 5066347200, 6755129600, 10132694400, 20265388800]

約数ペア:

[(1, 20265388800), (2, 10132694400), (3, 6755129600), (4, 5066347200), (5, 4053077760), (6, 3377564800), (8, 2533173600), (10, 2026538880), (12, 1688782400), (15, 1351025920), (16, 1266586800), (20, 1013269440), (24, 844391200), (25, 810615552), (30, 675512960), (32, 633293400), (40, 506634720), (48, 422195600), (50, 405307776), (60, 337756480), (64, 316646700), (75, 270205184), (80, 253317360), (96, 211097800), (100, 202653888), (120, 168878240), (128, 158323350), (150, 135102592), (160, 126658680), (192, 105548900), (200, 101326944), (240, 84439120), (256, 79161675), (300, 67551296), (320, 63329340), (384, 52774450), (400, 50663472), (480, 42219560), (600, 33775648), (640, 31664670), (768, 26387225), (800, 25331736), (960, 21109780), (1200, 16887824), (1280, 15832335), (1600, 12665868), (1920, 10554890), (2400, 8443912), (3200, 6332934), (3840, 5277445), (4800, 4221956), (6400, 3166467), (9600, 2110978), (19200, 1055489)]