73919280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1138

約数の個数: 80

約数和(自身を含む): 229985280

約数和(自身を除く): 156066000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 479, 643, 958, 1286, 1437, 1916, 1929, 2395, 2572, 2874, 3215, 3832, 3858, 4790, 5144, 5748, 6430, 7185, 7664, 7716, 9580, 9645, 10288, 11496, 12860, 14370, 15432, 19160, 19290, 22992, 25720, 28740, 30864, 38320, 38580, 51440, 57480, 77160, 114960, 154320, 307997, 615994, 923991, 1231988, 1539985, 1847982, 2463976, 3079970, 3695964, 4619955, 4927952, 6159940, 7391928, 9239910, 12319880, 14783856, 18479820, 24639760, 36959640, 73919280]

約数ペア:

[(1, 73919280), (2, 36959640), (3, 24639760), (4, 18479820), (5, 14783856), (6, 12319880), (8, 9239910), (10, 7391928), (12, 6159940), (15, 4927952), (16, 4619955), (20, 3695964), (24, 3079970), (30, 2463976), (40, 1847982), (48, 1539985), (60, 1231988), (80, 923991), (120, 615994), (240, 307997), (479, 154320), (643, 114960), (958, 77160), (1286, 57480), (1437, 51440), (1916, 38580), (1929, 38320), (2395, 30864), (2572, 28740), (2874, 25720), (3215, 22992), (3832, 19290), (3858, 19160), (4790, 15432), (5144, 14370), (5748, 12860), (6430, 11496), (7185, 10288), (7664, 9645), (7716, 9580)]