80517690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81331}}^1$

素因数の和:81355

約数の個数: 48

約数和(自身を含む): 228380256

約数和(自身を除く): 147862566

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 81331, 162662, 243993, 406655, 487986, 731979, 813310, 894641, 1219965, 1463958, 1789282, 2439930, 2683923, 3659895, 4473205, 5367846, 7319790, 8051769, 8946410, 13419615, 16103538, 26839230, 40258845, 80517690]

約数ペア:

[(1, 80517690), (2, 40258845), (3, 26839230), (5, 16103538), (6, 13419615), (9, 8946410), (10, 8051769), (11, 7319790), (15, 5367846), (18, 4473205), (22, 3659895), (30, 2683923), (33, 2439930), (45, 1789282), (55, 1463958), (66, 1219965), (90, 894641), (99, 813310), (110, 731979), (165, 487986), (198, 406655), (330, 243993), (495, 162662), (990, 81331)]