18013680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 43268112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 197, 240, 254, 360, 381, 394, 508, 591, 635, 720, 762, 788, 985, 1016, 1143, 1182, 1270, 1524, 1576, 1773, 1905, 1970, 2032, 2286, 2364, 2540, 2955, 3048, 3152, 3546, 3810, 3940, 4572, 4728, 5080, 5715, 5910, 6096, 7092, 7620, 7880, 8865, 9144, 9456, 10160, 11430, 11820, 14184, 15240, 15760, 17730, 18288, 22860, 23640, 25019, 28368, 30480, 35460, 45720, 47280, 50038, 70920, 75057, 91440, 100076, 125095, 141840, 150114, 200152, 225171, 250190, 300228, 375285, 400304, 450342, 500380, 600456, 750570, 900684, 1000760, 1125855, 1200912, 1501140, 1801368, 2001520, 2251710, 3002280, 3602736, 4503420, 6004560, 9006840, 18013680]

約数ペア:

[(1, 18013680), (2, 9006840), (3, 6004560), (4, 4503420), (5, 3602736), (6, 3002280), (8, 2251710), (9, 2001520), (10, 1801368), (12, 1501140), (15, 1200912), (16, 1125855), (18, 1000760), (20, 900684), (24, 750570), (30, 600456), (36, 500380), (40, 450342), (45, 400304), (48, 375285), (60, 300228), (72, 250190), (80, 225171), (90, 200152), (120, 150114), (127, 141840), (144, 125095), (180, 100076), (197, 91440), (240, 75057), (254, 70920), (360, 50038), (381, 47280), (394, 45720), (508, 35460), (591, 30480), (635, 28368), (720, 25019), (762, 23640), (788, 22860), (985, 18288), (1016, 17730), (1143, 15760), (1182, 15240), (1270, 14184), (1524, 11820), (1576, 11430), (1773, 10160), (1905, 9456), (1970, 9144), (2032, 8865), (2286, 7880), (2364, 7620), (2540, 7092), (2955, 6096), (3048, 5910), (3152, 5715), (3546, 5080), (3810, 4728), (3940, 4572)]