218149920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 749188440

約数和(自身を除く): 531038520

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, 720, 769, 788, 985, 1182, 1440, 1538, 1576, 1773, 1970, 2307, 2364, 2955, 3076, 3152, 3546, 3845, 3940, 4614, 4728, 5910, 6152, 6304, 6921, 7092, 7690, 7880, 8865, 9228, 9456, 11535, 11820, 12304, 13842, 14184, 15380, 15760, 17730, 18456, 18912, 23070, 23640, 24608, 27684, 28368, 30760, 31520, 34605, 35460, 36912, 46140, 47280, 55368, 56736, 61520, 69210, 70920, 73824, 92280, 94560, 110736, 123040, 138420, 141840, 151493, 184560, 221472, 276840, 283680, 302986, 369120, 454479, 553680, 605972, 757465, 908958, 1107360, 1211944, 1363437, 1514930, 1817916, 2272395, 2423888, 2726874, 3029860, 3635832, 4544790, 4847776, 5453748, 6059720, 6817185, 7271664, 9089580, 10907496, 12119440, 13634370, 14543328, 18179160, 21814992, 24238880, 27268740, 36358320, 43629984, 54537480, 72716640, 109074960, 218149920]

約数ペア:

[(1, 218149920), (2, 109074960), (3, 72716640), (4, 54537480), (5, 43629984), (6, 36358320), (8, 27268740), (9, 24238880), (10, 21814992), (12, 18179160), (15, 14543328), (16, 13634370), (18, 12119440), (20, 10907496), (24, 9089580), (30, 7271664), (32, 6817185), (36, 6059720), (40, 5453748), (45, 4847776), (48, 4544790), (60, 3635832), (72, 3029860), (80, 2726874), (90, 2423888), (96, 2272395), (120, 1817916), (144, 1514930), (160, 1363437), (180, 1211944), (197, 1107360), (240, 908958), (288, 757465), (360, 605972), (394, 553680), (480, 454479), (591, 369120), (720, 302986), (769, 283680), (788, 276840), (985, 221472), (1182, 184560), (1440, 151493), (1538, 141840), (1576, 138420), (1773, 123040), (1970, 110736), (2307, 94560), (2364, 92280), (2955, 73824), (3076, 70920), (3152, 69210), (3546, 61520), (3845, 56736), (3940, 55368), (4614, 47280), (4728, 46140), (5910, 36912), (6152, 35460), (6304, 34605), (6921, 31520), (7092, 30760), (7690, 28368), (7880, 27684), (8865, 24608), (9228, 23640), (9456, 23070), (11535, 18912), (11820, 18456), (12304, 17730), (13842, 15760), (14184, 15380)]