2991780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1511}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 9906624

約数和(自身を除く): 6914844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1511, 1980, 3022, 4533, 6044, 7555, 9066, 13599, 15110, 16621, 18132, 22665, 27198, 30220, 33242, 45330, 49863, 54396, 66484, 67995, 83105, 90660, 99726, 135990, 149589, 166210, 199452, 249315, 271980, 299178, 332420, 498630, 598356, 747945, 997260, 1495890, 2991780]

約数ペア:

[(1, 2991780), (2, 1495890), (3, 997260), (4, 747945), (5, 598356), (6, 498630), (9, 332420), (10, 299178), (11, 271980), (12, 249315), (15, 199452), (18, 166210), (20, 149589), (22, 135990), (30, 99726), (33, 90660), (36, 83105), (44, 67995), (45, 66484), (55, 54396), (60, 49863), (66, 45330), (90, 33242), (99, 30220), (110, 27198), (132, 22665), (165, 18132), (180, 16621), (198, 15110), (220, 13599), (330, 9066), (396, 7555), (495, 6044), (660, 4533), (990, 3022), (1511, 1980)]