1280125440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5051}}^1$

素因数の和:5091

約数の個数: 240

約数和(自身を含む): 4837431456

約数和(自身を除く): 3557306016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5051, 5280, 5632, 5760, 6336, 7040, 7680, 7920, 8448, 10102, 10560, 11520, 12672, 14080, 15153, 15840, 16896, 20204, 21120, 23040, 25255, 25344, 28160, 30306, 31680, 40408, 42240, 45459, 50510, 50688, 55561, 60612, 63360, 75765, 80816, 84480, 90918, 101020, 111122, 121224, 126720, 151530, 161632, 166683, 181836, 202040, 222244, 227295, 242448, 253440, 277805, 303060, 323264, 333366, 363672, 404080, 444488, 454590, 484896, 500049, 555610, 606120, 646528, 666732, 727344, 808160, 833415, 888976, 909180, 969792, 1000098, 1111220, 1212240, 1293056, 1333464, 1454688, 1616320, 1666830, 1777952, 1818360, 1939584, 2000196, 2222440, 2424480, 2500245, 2586112, 2666928, 2909376, 3232640, 3333660, 3555904, 3636720, 3879168, 4000392, 4444880, 4848960, 5000490, 5333856, 5818752, 6465280, 6667320, 7111808, 7273440, 7758336, 8000784, 8889760, 9697920, 10000980, 10667712, 11637504, 12930560, 13334640, 14223616, 14546880, 16001568, 17779520, 19395840, 20001960, 21335424, 23275008, 26669280, 28447232, 29093760, 32003136, 35559040, 38791680, 40003920, 42670848, 53338560, 58187520, 64006272, 71118080, 80007840, 85341696, 106677120, 116375040, 128012544, 142236160, 160015680, 213354240, 256025088, 320031360, 426708480, 640062720, 1280125440]

約数ペア:

[(1, 1280125440), (2, 640062720), (3, 426708480), (4, 320031360), (5, 256025088), (6, 213354240), (8, 160015680), (9, 142236160), (10, 128012544), (11, 116375040), (12, 106677120), (15, 85341696), (16, 80007840), (18, 71118080), (20, 64006272), (22, 58187520), (24, 53338560), (30, 42670848), (32, 40003920), (33, 38791680), (36, 35559040), (40, 32003136), (44, 29093760), (45, 28447232), (48, 26669280), (55, 23275008), (60, 21335424), (64, 20001960), (66, 19395840), (72, 17779520), (80, 16001568), (88, 14546880), (90, 14223616), (96, 13334640), (99, 12930560), (110, 11637504), (120, 10667712), (128, 10000980), (132, 9697920), (144, 8889760), (160, 8000784), (165, 7758336), (176, 7273440), (180, 7111808), (192, 6667320), (198, 6465280), (220, 5818752), (240, 5333856), (256, 5000490), (264, 4848960), (288, 4444880), (320, 4000392), (330, 3879168), (352, 3636720), (360, 3555904), (384, 3333660), (396, 3232640), (440, 2909376), (480, 2666928), (495, 2586112), (512, 2500245), (528, 2424480), (576, 2222440), (640, 2000196), (660, 1939584), (704, 1818360), (720, 1777952), (768, 1666830), (792, 1616320), (880, 1454688), (960, 1333464), (990, 1293056), (1056, 1212240), (1152, 1111220), (1280, 1000098), (1320, 969792), (1408, 909180), (1440, 888976), (1536, 833415), (1584, 808160), (1760, 727344), (1920, 666732), (1980, 646528), (2112, 606120), (2304, 555610), (2560, 500049), (2640, 484896), (2816, 454590), (2880, 444488), (3168, 404080), (3520, 363672), (3840, 333366), (3960, 323264), (4224, 303060), (4608, 277805), (5051, 253440), (5280, 242448), (5632, 227295), (5760, 222244), (6336, 202040), (7040, 181836), (7680, 166683), (7920, 161632), (8448, 151530), (10102, 126720), (10560, 121224), (11520, 111122), (12672, 101020), (14080, 90918), (15153, 84480), (15840, 80816), (16896, 75765), (20204, 63360), (21120, 60612), (23040, 55561), (25255, 50688), (25344, 50510), (28160, 45459), (30306, 42240), (31680, 40408)]