38687400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{21493}}^1$

素因数の和:21515

約数の個数: 72

約数和(自身を含む): 129931230

約数和(自身を除く): 91243830

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 21493, 42986, 64479, 85972, 107465, 128958, 171944, 193437, 214930, 257916, 322395, 386874, 429860, 515832, 537325, 644790, 773748, 859720, 967185, 1074650, 1289580, 1547496, 1611975, 1934370, 2149300, 2579160, 3223950, 3868740, 4298600, 4835925, 6447900, 7737480, 9671850, 12895800, 19343700, 38687400]

約数ペア:

[(1, 38687400), (2, 19343700), (3, 12895800), (4, 9671850), (5, 7737480), (6, 6447900), (8, 4835925), (9, 4298600), (10, 3868740), (12, 3223950), (15, 2579160), (18, 2149300), (20, 1934370), (24, 1611975), (25, 1547496), (30, 1289580), (36, 1074650), (40, 967185), (45, 859720), (50, 773748), (60, 644790), (72, 537325), (75, 515832), (90, 429860), (100, 386874), (120, 322395), (150, 257916), (180, 214930), (200, 193437), (225, 171944), (300, 128958), (360, 107465), (450, 85972), (600, 64479), (900, 42986), (1800, 21493)]