203965920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:937

約数の個数: 144

約数和(自身を含む): 700539840

約数和(自身を除く): 496573920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 719, 720, 788, 985, 1182, 1438, 1440, 1576, 1773, 1970, 2157, 2364, 2876, 2955, 3152, 3546, 3595, 3940, 4314, 4728, 5752, 5910, 6304, 6471, 7092, 7190, 7880, 8628, 8865, 9456, 10785, 11504, 11820, 12942, 14184, 14380, 15760, 17256, 17730, 18912, 21570, 23008, 23640, 25884, 28368, 28760, 31520, 32355, 34512, 35460, 43140, 47280, 51768, 56736, 57520, 64710, 69024, 70920, 86280, 94560, 103536, 115040, 129420, 141643, 141840, 172560, 207072, 258840, 283286, 283680, 345120, 424929, 517680, 566572, 708215, 849858, 1035360, 1133144, 1274787, 1416430, 1699716, 2124645, 2266288, 2549574, 2832860, 3399432, 4249290, 4532576, 5099148, 5665720, 6373935, 6798864, 8498580, 10198296, 11331440, 12747870, 13597728, 16997160, 20396592, 22662880, 25495740, 33994320, 40793184, 50991480, 67988640, 101982960, 203965920]

約数ペア:

[(1, 203965920), (2, 101982960), (3, 67988640), (4, 50991480), (5, 40793184), (6, 33994320), (8, 25495740), (9, 22662880), (10, 20396592), (12, 16997160), (15, 13597728), (16, 12747870), (18, 11331440), (20, 10198296), (24, 8498580), (30, 6798864), (32, 6373935), (36, 5665720), (40, 5099148), (45, 4532576), (48, 4249290), (60, 3399432), (72, 2832860), (80, 2549574), (90, 2266288), (96, 2124645), (120, 1699716), (144, 1416430), (160, 1274787), (180, 1133144), (197, 1035360), (240, 849858), (288, 708215), (360, 566572), (394, 517680), (480, 424929), (591, 345120), (719, 283680), (720, 283286), (788, 258840), (985, 207072), (1182, 172560), (1438, 141840), (1440, 141643), (1576, 129420), (1773, 115040), (1970, 103536), (2157, 94560), (2364, 86280), (2876, 70920), (2955, 69024), (3152, 64710), (3546, 57520), (3595, 56736), (3940, 51768), (4314, 47280), (4728, 43140), (5752, 35460), (5910, 34512), (6304, 32355), (6471, 31520), (7092, 28760), (7190, 28368), (7880, 25884), (8628, 23640), (8865, 23008), (9456, 21570), (10785, 18912), (11504, 17730), (11820, 17256), (12942, 15760), (14184, 14380)]