90447720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68521}}^1$

素因数の和:68546

約数の個数: 64

約数和(自身を含む): 296015040

約数和(自身を除く): 205567320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 68521, 137042, 205563, 274084, 342605, 411126, 548168, 685210, 753731, 822252, 1027815, 1370420, 1507462, 1644504, 2055630, 2261193, 2740840, 3014924, 3768655, 4111260, 4522386, 6029848, 7537310, 8222520, 9044772, 11305965, 15074620, 18089544, 22611930, 30149240, 45223860, 90447720]

約数ペア:

[(1, 90447720), (2, 45223860), (3, 30149240), (4, 22611930), (5, 18089544), (6, 15074620), (8, 11305965), (10, 9044772), (11, 8222520), (12, 7537310), (15, 6029848), (20, 4522386), (22, 4111260), (24, 3768655), (30, 3014924), (33, 2740840), (40, 2261193), (44, 2055630), (55, 1644504), (60, 1507462), (66, 1370420), (88, 1027815), (110, 822252), (120, 753731), (132, 685210), (165, 548168), (220, 411126), (264, 342605), (330, 274084), (440, 205563), (660, 137042), (1320, 68521)]