18628320

素因数分解:

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

素因数の和:412

約数の個数: 72

約数和(自身を含む): 58978584

約数和(自身を除く): 40350264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 197, 240, 394, 480, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5910, 6304, 7880, 9456, 11820, 15760, 18912, 23640, 31520, 38809, 47280, 77618, 94560, 116427, 155236, 194045, 232854, 310472, 388090, 465708, 582135, 620944, 776180, 931416, 1164270, 1241888, 1552360, 1862832, 2328540, 3104720, 3725664, 4657080, 6209440, 9314160, 18628320]

約数ペア:

[(1, 18628320), (2, 9314160), (3, 6209440), (4, 4657080), (5, 3725664), (6, 3104720), (8, 2328540), (10, 1862832), (12, 1552360), (15, 1241888), (16, 1164270), (20, 931416), (24, 776180), (30, 620944), (32, 582135), (40, 465708), (48, 388090), (60, 310472), (80, 232854), (96, 194045), (120, 155236), (160, 116427), (197, 94560), (240, 77618), (394, 47280), (480, 38809), (591, 31520), (788, 23640), (985, 18912), (1182, 15760), (1576, 11820), (1970, 9456), (2364, 7880), (2955, 6304), (3152, 5910), (3940, 4728)]