81299280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338747}}^1$

素因数の和:338763

約数の個数: 40

約数和(自身を含む): 252028512

約数和(自身を除く): 170729232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338747, 677494, 1016241, 1354988, 1693735, 2032482, 2709976, 3387470, 4064964, 5081205, 5419952, 6774940, 8129928, 10162410, 13549880, 16259856, 20324820, 27099760, 40649640, 81299280]

約数ペア:

[(1, 81299280), (2, 40649640), (3, 27099760), (4, 20324820), (5, 16259856), (6, 13549880), (8, 10162410), (10, 8129928), (12, 6774940), (15, 5419952), (16, 5081205), (20, 4064964), (24, 3387470), (30, 2709976), (40, 2032482), (48, 1693735), (60, 1354988), (80, 1016241), (120, 677494), (240, 338747)]