1888549920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1311493}}^1$

素因数の和:1311514

約数の個数: 72

約数和(自身を含む): 6444681516

約数和(自身を除く): 4556131596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1311493, 2622986, 3934479, 5245972, 6557465, 7868958, 10491944, 11803437, 13114930, 15737916, 19672395, 20983888, 23606874, 26229860, 31475832, 39344790, 41967776, 47213748, 52459720, 59017185, 62951664, 78689580, 94427496, 104919440, 118034370, 125903328, 157379160, 188854992, 209838880, 236068740, 314758320, 377709984, 472137480, 629516640, 944274960, 1888549920]

約数ペア:

[(1, 1888549920), (2, 944274960), (3, 629516640), (4, 472137480), (5, 377709984), (6, 314758320), (8, 236068740), (9, 209838880), (10, 188854992), (12, 157379160), (15, 125903328), (16, 118034370), (18, 104919440), (20, 94427496), (24, 78689580), (30, 62951664), (32, 59017185), (36, 52459720), (40, 47213748), (45, 41967776), (48, 39344790), (60, 31475832), (72, 26229860), (80, 23606874), (90, 20983888), (96, 19672395), (120, 15737916), (144, 13114930), (160, 11803437), (180, 10491944), (240, 7868958), (288, 6557465), (360, 5245972), (480, 3934479), (720, 2622986), (1440, 1311493)]