16620840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 54573480

約数和(自身を除く): 37952640

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, 137, 180, 274, 337, 360, 411, 548, 674, 685, 822, 1011, 1096, 1233, 1348, 1370, 1644, 1685, 2022, 2055, 2466, 2696, 2740, 3033, 3288, 3370, 4044, 4110, 4932, 5055, 5480, 6066, 6165, 6740, 8088, 8220, 9864, 10110, 12132, 12330, 13480, 15165, 16440, 20220, 24264, 24660, 30330, 40440, 46169, 49320, 60660, 92338, 121320, 138507, 184676, 230845, 277014, 369352, 415521, 461690, 554028, 692535, 831042, 923380, 1108056, 1385070, 1662084, 1846760, 2077605, 2770140, 3324168, 4155210, 5540280, 8310420, 16620840]

約数ペア:

[(1, 16620840), (2, 8310420), (3, 5540280), (4, 4155210), (5, 3324168), (6, 2770140), (8, 2077605), (9, 1846760), (10, 1662084), (12, 1385070), (15, 1108056), (18, 923380), (20, 831042), (24, 692535), (30, 554028), (36, 461690), (40, 415521), (45, 369352), (60, 277014), (72, 230845), (90, 184676), (120, 138507), (137, 121320), (180, 92338), (274, 60660), (337, 49320), (360, 46169), (411, 40440), (548, 30330), (674, 24660), (685, 24264), (822, 20220), (1011, 16440), (1096, 15165), (1233, 13480), (1348, 12330), (1370, 12132), (1644, 10110), (1685, 9864), (2022, 8220), (2055, 8088), (2466, 6740), (2696, 6165), (2740, 6066), (3033, 5480), (3288, 5055), (3370, 4932), (4044, 4110)]