257139330560

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{10301}}^1$

素因数の和:10537

約数の個数: 240

約数和(自身を含む): 720863906400

約数和(自身を除く): 463724575840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 199, 224, 245, 256, 280, 320, 392, 398, 448, 490, 512, 560, 640, 784, 796, 896, 980, 995, 1120, 1280, 1393, 1568, 1592, 1792, 1960, 1990, 2240, 2560, 2786, 3136, 3184, 3584, 3920, 3980, 4480, 5572, 6272, 6368, 6965, 7840, 7960, 8960, 9751, 10301, 11144, 12544, 12736, 13930, 15680, 15920, 17920, 19502, 20602, 22288, 25088, 25472, 27860, 31360, 31840, 39004, 41204, 44576, 48755, 50944, 51505, 55720, 62720, 63680, 72107, 78008, 82408, 89152, 97510, 101888, 103010, 111440, 125440, 127360, 144214, 156016, 164816, 178304, 195020, 206020, 222880, 254720, 288428, 312032, 329632, 356608, 360535, 390040, 412040, 445760, 504749, 509440, 576856, 624064, 659264, 713216, 721070, 780080, 824080, 891520, 1009498, 1153712, 1248128, 1318528, 1442140, 1560160, 1648160, 1783040, 2018996, 2049899, 2307424, 2496256, 2523745, 2637056, 2884280, 3120320, 3296320, 3566080, 4037992, 4099798, 4614848, 4992512, 5047490, 5274112, 5768560, 6240640, 6592640, 8075984, 8199596, 9229696, 10094980, 10249495, 11537120, 12481280, 13185280, 14349293, 16151968, 16399192, 18459392, 20189960, 20498990, 23074240, 24962560, 26370560, 28698586, 32303936, 32798384, 36918784, 40379920, 40997980, 46148480, 57397172, 64607872, 65596768, 71746465, 80759840, 81995960, 92296960, 100445051, 114794344, 129215744, 131193536, 143492930, 161519680, 163991920, 184593920, 200890102, 229588688, 258431488, 262387072, 286985860, 323039360, 327983840, 401780204, 459177376, 502225255, 524774144, 573971720, 646078720, 655967680, 803560408, 918354752, 1004450510, 1049548288, 1147943440, 1292157440, 1311935360, 1607120816, 1836709504, 2008901020, 2295886880, 2623870720, 3214241632, 3673419008, 4017802040, 4591773760, 5247741440, 6428483264, 7346838016, 8035604080, 9183547520, 12856966528, 16071208160, 18367095040, 25713933056, 32142416320, 36734190080, 51427866112, 64284832640, 128569665280, 257139330560]

約数ペア:

[(1, 257139330560), (2, 128569665280), (4, 64284832640), (5, 51427866112), (7, 36734190080), (8, 32142416320), (10, 25713933056), (14, 18367095040), (16, 16071208160), (20, 12856966528), (28, 9183547520), (32, 8035604080), (35, 7346838016), (40, 6428483264), (49, 5247741440), (56, 4591773760), (64, 4017802040), (70, 3673419008), (80, 3214241632), (98, 2623870720), (112, 2295886880), (128, 2008901020), (140, 1836709504), (160, 1607120816), (196, 1311935360), (199, 1292157440), (224, 1147943440), (245, 1049548288), (256, 1004450510), (280, 918354752), (320, 803560408), (392, 655967680), (398, 646078720), (448, 573971720), (490, 524774144), (512, 502225255), (560, 459177376), (640, 401780204), (784, 327983840), (796, 323039360), (896, 286985860), (980, 262387072), (995, 258431488), (1120, 229588688), (1280, 200890102), (1393, 184593920), (1568, 163991920), (1592, 161519680), (1792, 143492930), (1960, 131193536), (1990, 129215744), (2240, 114794344), (2560, 100445051), (2786, 92296960), (3136, 81995960), (3184, 80759840), (3584, 71746465), (3920, 65596768), (3980, 64607872), (4480, 57397172), (5572, 46148480), (6272, 40997980), (6368, 40379920), (6965, 36918784), (7840, 32798384), (7960, 32303936), (8960, 28698586), (9751, 26370560), (10301, 24962560), (11144, 23074240), (12544, 20498990), (12736, 20189960), (13930, 18459392), (15680, 16399192), (15920, 16151968), (17920, 14349293), (19502, 13185280), (20602, 12481280), (22288, 11537120), (25088, 10249495), (25472, 10094980), (27860, 9229696), (31360, 8199596), (31840, 8075984), (39004, 6592640), (41204, 6240640), (44576, 5768560), (48755, 5274112), (50944, 5047490), (51505, 4992512), (55720, 4614848), (62720, 4099798), (63680, 4037992), (72107, 3566080), (78008, 3296320), (82408, 3120320), (89152, 2884280), (97510, 2637056), (101888, 2523745), (103010, 2496256), (111440, 2307424), (125440, 2049899), (127360, 2018996), (144214, 1783040), (156016, 1648160), (164816, 1560160), (178304, 1442140), (195020, 1318528), (206020, 1248128), (222880, 1153712), (254720, 1009498), (288428, 891520), (312032, 824080), (329632, 780080), (356608, 721070), (360535, 713216), (390040, 659264), (412040, 624064), (445760, 576856), (504749, 509440)]