13971240

素因数分解:

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

素因数の和:411

約数の個数: 72

約数和(自身を含む): 45638190

約数和(自身を除く): 31666950

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, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3546, 3940, 4728, 5910, 7092, 7880, 8865, 11820, 14184, 17730, 23640, 35460, 38809, 70920, 77618, 116427, 155236, 194045, 232854, 310472, 349281, 388090, 465708, 582135, 698562, 776180, 931416, 1164270, 1397124, 1552360, 1746405, 2328540, 2794248, 3492810, 4657080, 6985620, 13971240]

約数ペア:

[(1, 13971240), (2, 6985620), (3, 4657080), (4, 3492810), (5, 2794248), (6, 2328540), (8, 1746405), (9, 1552360), (10, 1397124), (12, 1164270), (15, 931416), (18, 776180), (20, 698562), (24, 582135), (30, 465708), (36, 388090), (40, 349281), (45, 310472), (60, 232854), (72, 194045), (90, 155236), (120, 116427), (180, 77618), (197, 70920), (360, 38809), (394, 35460), (591, 23640), (788, 17730), (985, 14184), (1182, 11820), (1576, 8865), (1773, 7880), (1970, 7092), (2364, 5910), (2955, 4728), (3546, 3940)]