260001280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1360

約数の個数: 160

約数和(自身を含む): 777807360

約数和(自身を除く): 517806080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1319, 1408, 1540, 1760, 1792, 2240, 2464, 2560, 2638, 2816, 3080, 3520, 3584, 4480, 4928, 5276, 5632, 6160, 6595, 7040, 8960, 9233, 9856, 10552, 12320, 13190, 14080, 14509, 17920, 18466, 19712, 21104, 24640, 26380, 28160, 29018, 36932, 39424, 42208, 46165, 49280, 52760, 58036, 72545, 73864, 84416, 92330, 98560, 101563, 105520, 116072, 145090, 147728, 168832, 184660, 197120, 203126, 211040, 232144, 290180, 295456, 337664, 369320, 406252, 422080, 464288, 507815, 580360, 590912, 675328, 738640, 812504, 844160, 928576, 1015630, 1160720, 1181824, 1477280, 1625008, 1688320, 1857152, 2031260, 2321440, 2363648, 2954560, 3250016, 3376640, 3714304, 4062520, 4642880, 4727296, 5909120, 6500032, 7428608, 8125040, 9285760, 11818240, 13000064, 16250080, 18571520, 23636480, 26000128, 32500160, 37143040, 52000256, 65000320, 130000640, 260001280]

約数ペア:

[(1, 260001280), (2, 130000640), (4, 65000320), (5, 52000256), (7, 37143040), (8, 32500160), (10, 26000128), (11, 23636480), (14, 18571520), (16, 16250080), (20, 13000064), (22, 11818240), (28, 9285760), (32, 8125040), (35, 7428608), (40, 6500032), (44, 5909120), (55, 4727296), (56, 4642880), (64, 4062520), (70, 3714304), (77, 3376640), (80, 3250016), (88, 2954560), (110, 2363648), (112, 2321440), (128, 2031260), (140, 1857152), (154, 1688320), (160, 1625008), (176, 1477280), (220, 1181824), (224, 1160720), (256, 1015630), (280, 928576), (308, 844160), (320, 812504), (352, 738640), (385, 675328), (440, 590912), (448, 580360), (512, 507815), (560, 464288), (616, 422080), (640, 406252), (704, 369320), (770, 337664), (880, 295456), (896, 290180), (1120, 232144), (1232, 211040), (1280, 203126), (1319, 197120), (1408, 184660), (1540, 168832), (1760, 147728), (1792, 145090), (2240, 116072), (2464, 105520), (2560, 101563), (2638, 98560), (2816, 92330), (3080, 84416), (3520, 73864), (3584, 72545), (4480, 58036), (4928, 52760), (5276, 49280), (5632, 46165), (6160, 42208), (6595, 39424), (7040, 36932), (8960, 29018), (9233, 28160), (9856, 26380), (10552, 24640), (12320, 21104), (13190, 19712), (14080, 18466), (14509, 17920)]