16299780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^2$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 52425408

約数和(自身を除く): 36125628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 985, 1182, 1379, 1970, 2364, 2758, 2955, 3940, 4137, 5516, 5910, 6895, 8274, 11820, 13790, 16548, 20685, 27580, 38809, 41370, 77618, 82740, 116427, 155236, 194045, 232854, 271663, 388090, 465708, 543326, 582135, 776180, 814989, 1086652, 1164270, 1358315, 1629978, 2328540, 2716630, 3259956, 4074945, 5433260, 8149890, 16299780]

約数ペア:

[(1, 16299780), (2, 8149890), (3, 5433260), (4, 4074945), (5, 3259956), (6, 2716630), (7, 2328540), (10, 1629978), (12, 1358315), (14, 1164270), (15, 1086652), (20, 814989), (21, 776180), (28, 582135), (30, 543326), (35, 465708), (42, 388090), (60, 271663), (70, 232854), (84, 194045), (105, 155236), (140, 116427), (197, 82740), (210, 77618), (394, 41370), (420, 38809), (591, 27580), (788, 20685), (985, 16548), (1182, 13790), (1379, 11820), (1970, 8274), (2364, 6895), (2758, 5910), (2955, 5516), (3940, 4137)]