286416720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2217

約数の個数: 120

約数和(自身を含む): 967200000

約数和(自身を除く): 680783280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1592, 1791, 1990, 1999, 2388, 2985, 3184, 3582, 3980, 3998, 4776, 5970, 5997, 7164, 7960, 7996, 8955, 9552, 9995, 11940, 11994, 14328, 15920, 15992, 17910, 17991, 19990, 23880, 23988, 28656, 29985, 31984, 35820, 35982, 39980, 47760, 47976, 59970, 71640, 71964, 79960, 89955, 95952, 119940, 143280, 143928, 159920, 179910, 239880, 287856, 359820, 397801, 479760, 719640, 795602, 1193403, 1439280, 1591204, 1989005, 2386806, 3182408, 3580209, 3978010, 4773612, 5967015, 6364816, 7160418, 7956020, 9547224, 11934030, 14320836, 15912040, 17901045, 19094448, 23868060, 28641672, 31824080, 35802090, 47736120, 57283344, 71604180, 95472240, 143208360, 286416720]

約数ペア:

[(1, 286416720), (2, 143208360), (3, 95472240), (4, 71604180), (5, 57283344), (6, 47736120), (8, 35802090), (9, 31824080), (10, 28641672), (12, 23868060), (15, 19094448), (16, 17901045), (18, 15912040), (20, 14320836), (24, 11934030), (30, 9547224), (36, 7956020), (40, 7160418), (45, 6364816), (48, 5967015), (60, 4773612), (72, 3978010), (80, 3580209), (90, 3182408), (120, 2386806), (144, 1989005), (180, 1591204), (199, 1439280), (240, 1193403), (360, 795602), (398, 719640), (597, 479760), (720, 397801), (796, 359820), (995, 287856), (1194, 239880), (1592, 179910), (1791, 159920), (1990, 143928), (1999, 143280), (2388, 119940), (2985, 95952), (3184, 89955), (3582, 79960), (3980, 71964), (3998, 71640), (4776, 59970), (5970, 47976), (5997, 47760), (7164, 39980), (7960, 35982), (7996, 35820), (8955, 31984), (9552, 29985), (9995, 28656), (11940, 23988), (11994, 23880), (14328, 19990), (15920, 17991), (15992, 17910)]