12779280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17749}}^1$

素因数の和:17768

約数の個数: 60

約数和(自身を含む): 42919500

約数和(自身を除く): 30140220

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, 240, 360, 720, 17749, 35498, 53247, 70996, 88745, 106494, 141992, 159741, 177490, 212988, 266235, 283984, 319482, 354980, 425976, 532470, 638964, 709960, 798705, 851952, 1064940, 1277928, 1419920, 1597410, 2129880, 2555856, 3194820, 4259760, 6389640, 12779280]

約数ペア:

[(1, 12779280), (2, 6389640), (3, 4259760), (4, 3194820), (5, 2555856), (6, 2129880), (8, 1597410), (9, 1419920), (10, 1277928), (12, 1064940), (15, 851952), (16, 798705), (18, 709960), (20, 638964), (24, 532470), (30, 425976), (36, 354980), (40, 319482), (45, 283984), (48, 266235), (60, 212988), (72, 177490), (80, 159741), (90, 141992), (120, 106494), (144, 88745), (180, 70996), (240, 53247), (360, 35498), (720, 17749)]