81515880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226433}}^1$

素因数の和:226450

約数の個数: 48

約数和(自身を含む): 264927780

約数和(自身を除く): 183411900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226433, 452866, 679299, 905732, 1132165, 1358598, 1811464, 2037897, 2264330, 2717196, 3396495, 4075794, 4528660, 5434392, 6792990, 8151588, 9057320, 10189485, 13585980, 16303176, 20378970, 27171960, 40757940, 81515880]

約数ペア:

[(1, 81515880), (2, 40757940), (3, 27171960), (4, 20378970), (5, 16303176), (6, 13585980), (8, 10189485), (9, 9057320), (10, 8151588), (12, 6792990), (15, 5434392), (18, 4528660), (20, 4075794), (24, 3396495), (30, 2717196), (36, 2264330), (40, 2037897), (45, 1811464), (60, 1358598), (72, 1132165), (90, 905732), (120, 679299), (180, 452866), (360, 226433)]