287856000

素因数分解:

$2^7\times 3^2\times 5^3\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 192

約数和(自身を含む): 1034280000

約数和(自身を除く): 746424000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 576, 600, 640, 720, 750, 800, 900, 960, 1000, 1125, 1152, 1200, 1440, 1500, 1600, 1800, 1920, 1999, 2000, 2250, 2400, 2880, 3000, 3200, 3600, 3998, 4000, 4500, 4800, 5760, 5997, 6000, 7200, 7996, 8000, 9000, 9600, 9995, 11994, 12000, 14400, 15992, 16000, 17991, 18000, 19990, 23988, 24000, 28800, 29985, 31984, 35982, 36000, 39980, 47976, 48000, 49975, 59970, 63968, 71964, 72000, 79960, 89955, 95952, 99950, 119940, 127936, 143928, 144000, 149925, 159920, 179910, 191904, 199900, 239880, 249875, 255872, 287856, 299850, 319840, 359820, 383808, 399800, 449775, 479760, 499750, 575712, 599700, 639680, 719640, 749625, 767616, 799600, 899550, 959520, 999500, 1151424, 1199400, 1279360, 1439280, 1499250, 1599200, 1799100, 1919040, 1999000, 2248875, 2302848, 2398800, 2878560, 2998500, 3198400, 3598200, 3838080, 3998000, 4497750, 4797600, 5757120, 5997000, 6396800, 7196400, 7996000, 8995500, 9595200, 11514240, 11994000, 14392800, 15992000, 17991000, 19190400, 23988000, 28785600, 31984000, 35982000, 47976000, 57571200, 71964000, 95952000, 143928000, 287856000]

約数ペア:

[(1, 287856000), (2, 143928000), (3, 95952000), (4, 71964000), (5, 57571200), (6, 47976000), (8, 35982000), (9, 31984000), (10, 28785600), (12, 23988000), (15, 19190400), (16, 17991000), (18, 15992000), (20, 14392800), (24, 11994000), (25, 11514240), (30, 9595200), (32, 8995500), (36, 7996000), (40, 7196400), (45, 6396800), (48, 5997000), (50, 5757120), (60, 4797600), (64, 4497750), (72, 3998000), (75, 3838080), (80, 3598200), (90, 3198400), (96, 2998500), (100, 2878560), (120, 2398800), (125, 2302848), (128, 2248875), (144, 1999000), (150, 1919040), (160, 1799100), (180, 1599200), (192, 1499250), (200, 1439280), (225, 1279360), (240, 1199400), (250, 1151424), (288, 999500), (300, 959520), (320, 899550), (360, 799600), (375, 767616), (384, 749625), (400, 719640), (450, 639680), (480, 599700), (500, 575712), (576, 499750), (600, 479760), (640, 449775), (720, 399800), (750, 383808), (800, 359820), (900, 319840), (960, 299850), (1000, 287856), (1125, 255872), (1152, 249875), (1200, 239880), (1440, 199900), (1500, 191904), (1600, 179910), (1800, 159920), (1920, 149925), (1999, 144000), (2000, 143928), (2250, 127936), (2400, 119940), (2880, 99950), (3000, 95952), (3200, 89955), (3600, 79960), (3998, 72000), (4000, 71964), (4500, 63968), (4800, 59970), (5760, 49975), (5997, 48000), (6000, 47976), (7200, 39980), (7996, 36000), (8000, 35982), (9000, 31984), (9600, 29985), (9995, 28800), (11994, 24000), (12000, 23988), (14400, 19990), (15992, 18000), (16000, 17991)]