290866560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 933055200

約数和(自身を除く): 642188640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 591, 640, 769, 788, 960, 985, 1182, 1538, 1576, 1920, 1970, 2307, 2364, 2955, 3076, 3152, 3845, 3940, 4614, 4728, 5910, 6152, 6304, 7690, 7880, 9228, 9456, 11535, 11820, 12304, 12608, 15380, 15760, 18456, 18912, 23070, 23640, 24608, 25216, 30760, 31520, 36912, 37824, 46140, 47280, 49216, 61520, 63040, 73824, 75648, 92280, 94560, 98432, 123040, 126080, 147648, 151493, 184560, 189120, 246080, 295296, 302986, 369120, 378240, 454479, 492160, 605972, 738240, 757465, 908958, 1211944, 1476480, 1514930, 1817916, 2272395, 2423888, 3029860, 3635832, 4544790, 4847776, 6059720, 7271664, 9089580, 9695552, 12119440, 14543328, 18179160, 19391104, 24238880, 29086656, 36358320, 48477760, 58173312, 72716640, 96955520, 145433280, 290866560]

約数ペア:

[(1, 290866560), (2, 145433280), (3, 96955520), (4, 72716640), (5, 58173312), (6, 48477760), (8, 36358320), (10, 29086656), (12, 24238880), (15, 19391104), (16, 18179160), (20, 14543328), (24, 12119440), (30, 9695552), (32, 9089580), (40, 7271664), (48, 6059720), (60, 4847776), (64, 4544790), (80, 3635832), (96, 3029860), (120, 2423888), (128, 2272395), (160, 1817916), (192, 1514930), (197, 1476480), (240, 1211944), (320, 908958), (384, 757465), (394, 738240), (480, 605972), (591, 492160), (640, 454479), (769, 378240), (788, 369120), (960, 302986), (985, 295296), (1182, 246080), (1538, 189120), (1576, 184560), (1920, 151493), (1970, 147648), (2307, 126080), (2364, 123040), (2955, 98432), (3076, 94560), (3152, 92280), (3845, 75648), (3940, 73824), (4614, 63040), (4728, 61520), (5910, 49216), (6152, 47280), (6304, 46140), (7690, 37824), (7880, 36912), (9228, 31520), (9456, 30760), (11535, 25216), (11820, 24608), (12304, 23640), (12608, 23070), (15380, 18912), (15760, 18456)]