262720640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 192

約数和(自身を含む): 779492160

約数和(自身を除く): 516771520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 260, 280, 320, 338, 347, 364, 416, 448, 455, 520, 560, 640, 676, 694, 728, 832, 845, 896, 910, 1040, 1120, 1183, 1352, 1388, 1456, 1664, 1690, 1735, 1820, 2080, 2240, 2366, 2429, 2704, 2776, 2912, 3380, 3470, 3640, 4160, 4480, 4511, 4732, 4858, 5408, 5552, 5824, 5915, 6760, 6940, 7280, 8320, 9022, 9464, 9716, 10816, 11104, 11648, 11830, 12145, 13520, 13880, 14560, 18044, 18928, 19432, 21632, 22208, 22555, 23660, 24290, 27040, 27760, 29120, 31577, 36088, 37856, 38864, 44416, 45110, 47320, 48580, 54080, 55520, 58240, 58643, 63154, 72176, 75712, 77728, 90220, 94640, 97160, 108160, 111040, 117286, 126308, 144352, 151424, 155456, 157885, 180440, 189280, 194320, 222080, 234572, 252616, 288704, 293215, 310912, 315770, 360880, 378560, 388640, 410501, 469144, 505232, 577408, 586430, 631540, 721760, 757120, 777280, 821002, 938288, 1010464, 1172860, 1263080, 1443520, 1554560, 1642004, 1876576, 2020928, 2052505, 2345720, 2526160, 2887040, 3284008, 3753152, 4041856, 4105010, 4691440, 5052320, 6568016, 7506304, 8210020, 9382880, 10104640, 13136032, 16420040, 18765760, 20209280, 26272064, 32840080, 37531520, 52544128, 65680160, 131360320, 262720640]

約数ペア:

[(1, 262720640), (2, 131360320), (4, 65680160), (5, 52544128), (7, 37531520), (8, 32840080), (10, 26272064), (13, 20209280), (14, 18765760), (16, 16420040), (20, 13136032), (26, 10104640), (28, 9382880), (32, 8210020), (35, 7506304), (40, 6568016), (52, 5052320), (56, 4691440), (64, 4105010), (65, 4041856), (70, 3753152), (80, 3284008), (91, 2887040), (104, 2526160), (112, 2345720), (128, 2052505), (130, 2020928), (140, 1876576), (160, 1642004), (169, 1554560), (182, 1443520), (208, 1263080), (224, 1172860), (260, 1010464), (280, 938288), (320, 821002), (338, 777280), (347, 757120), (364, 721760), (416, 631540), (448, 586430), (455, 577408), (520, 505232), (560, 469144), (640, 410501), (676, 388640), (694, 378560), (728, 360880), (832, 315770), (845, 310912), (896, 293215), (910, 288704), (1040, 252616), (1120, 234572), (1183, 222080), (1352, 194320), (1388, 189280), (1456, 180440), (1664, 157885), (1690, 155456), (1735, 151424), (1820, 144352), (2080, 126308), (2240, 117286), (2366, 111040), (2429, 108160), (2704, 97160), (2776, 94640), (2912, 90220), (3380, 77728), (3470, 75712), (3640, 72176), (4160, 63154), (4480, 58643), (4511, 58240), (4732, 55520), (4858, 54080), (5408, 48580), (5552, 47320), (5824, 45110), (5915, 44416), (6760, 38864), (6940, 37856), (7280, 36088), (8320, 31577), (9022, 29120), (9464, 27760), (9716, 27040), (10816, 24290), (11104, 23660), (11648, 22555), (11830, 22208), (12145, 21632), (13520, 19432), (13880, 18928), (14560, 18044)]