77528280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1499}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 233280000

約数和(自身を除く): 155751720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1499, 1724, 2155, 2586, 2998, 3448, 4310, 4497, 5172, 5996, 6465, 7495, 8620, 8994, 10344, 11992, 12930, 14990, 17240, 17988, 22485, 25860, 29980, 35976, 44970, 51720, 59960, 89940, 179880, 646069, 1292138, 1938207, 2584276, 3230345, 3876414, 5168552, 6460690, 7752828, 9691035, 12921380, 15505656, 19382070, 25842760, 38764140, 77528280]

約数ペア:

[(1, 77528280), (2, 38764140), (3, 25842760), (4, 19382070), (5, 15505656), (6, 12921380), (8, 9691035), (10, 7752828), (12, 6460690), (15, 5168552), (20, 3876414), (24, 3230345), (30, 2584276), (40, 1938207), (60, 1292138), (120, 646069), (431, 179880), (862, 89940), (1293, 59960), (1499, 51720), (1724, 44970), (2155, 35976), (2586, 29980), (2998, 25860), (3448, 22485), (4310, 17988), (4497, 17240), (5172, 14990), (5996, 12930), (6465, 11992), (7495, 10344), (8620, 8994)]