257579280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^4\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 300

約数和(自身を含む): 1015922700

約数和(自身を除く): 758343420

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 149, 168, 180, 196, 210, 240, 245, 252, 280, 294, 298, 315, 336, 343, 360, 392, 420, 441, 447, 490, 504, 560, 588, 596, 630, 686, 720, 735, 745, 784, 840, 882, 894, 980, 1008, 1029, 1043, 1176, 1192, 1260, 1341, 1372, 1470, 1490, 1680, 1715, 1764, 1788, 1960, 2058, 2086, 2205, 2235, 2352, 2384, 2401, 2520, 2682, 2744, 2940, 2980, 3087, 3129, 3430, 3528, 3576, 3920, 4116, 4172, 4410, 4470, 4802, 5040, 5145, 5215, 5364, 5488, 5880, 5960, 6174, 6258, 6705, 6860, 7056, 7152, 7203, 7301, 8232, 8344, 8820, 8940, 9387, 9604, 10290, 10430, 10728, 11760, 11920, 12005, 12348, 12516, 13410, 13720, 14406, 14602, 15435, 15645, 16464, 16688, 17640, 17880, 18774, 19208, 20580, 20860, 21456, 21609, 21903, 24010, 24696, 25032, 26820, 27440, 28812, 29204, 30870, 31290, 35280, 35760, 36015, 36505, 37548, 38416, 41160, 41720, 43218, 43806, 46935, 48020, 49392, 50064, 51107, 53640, 57624, 58408, 61740, 62580, 65709, 72030, 73010, 75096, 82320, 83440, 86436, 87612, 93870, 96040, 102214, 107280, 108045, 109515, 115248, 116816, 123480, 125160, 131418, 144060, 146020, 150192, 153321, 172872, 175224, 187740, 192080, 204428, 216090, 219030, 246960, 250320, 255535, 262836, 288120, 292040, 306642, 328545, 345744, 350448, 357749, 375480, 408856, 432180, 438060, 459963, 511070, 525672, 576240, 584080, 613284, 657090, 715498, 750960, 766605, 817712, 864360, 876120, 919926, 1022140, 1051344, 1073247, 1226568, 1314180, 1430996, 1533210, 1728720, 1752240, 1788745, 1839852, 2044280, 2146494, 2299815, 2453136, 2628360, 2861992, 3066420, 3219741, 3577490, 3679704, 4088560, 4292988, 4599630, 5256720, 5366235, 5723984, 6132840, 6439482, 7154980, 7359408, 8585976, 9199260, 10732470, 12265680, 12878964, 14309960, 16098705, 17171952, 18398520, 21464940, 25757928, 28619920, 32197410, 36797040, 42929880, 51515856, 64394820, 85859760, 128789640, 257579280]

約数ペア:

[(1, 257579280), (2, 128789640), (3, 85859760), (4, 64394820), (5, 51515856), (6, 42929880), (7, 36797040), (8, 32197410), (9, 28619920), (10, 25757928), (12, 21464940), (14, 18398520), (15, 17171952), (16, 16098705), (18, 14309960), (20, 12878964), (21, 12265680), (24, 10732470), (28, 9199260), (30, 8585976), (35, 7359408), (36, 7154980), (40, 6439482), (42, 6132840), (45, 5723984), (48, 5366235), (49, 5256720), (56, 4599630), (60, 4292988), (63, 4088560), (70, 3679704), (72, 3577490), (80, 3219741), (84, 3066420), (90, 2861992), (98, 2628360), (105, 2453136), (112, 2299815), (120, 2146494), (126, 2044280), (140, 1839852), (144, 1788745), (147, 1752240), (149, 1728720), (168, 1533210), (180, 1430996), (196, 1314180), (210, 1226568), (240, 1073247), (245, 1051344), (252, 1022140), (280, 919926), (294, 876120), (298, 864360), (315, 817712), (336, 766605), (343, 750960), (360, 715498), (392, 657090), (420, 613284), (441, 584080), (447, 576240), (490, 525672), (504, 511070), (560, 459963), (588, 438060), (596, 432180), (630, 408856), (686, 375480), (720, 357749), (735, 350448), (745, 345744), (784, 328545), (840, 306642), (882, 292040), (894, 288120), (980, 262836), (1008, 255535), (1029, 250320), (1043, 246960), (1176, 219030), (1192, 216090), (1260, 204428), (1341, 192080), (1372, 187740), (1470, 175224), (1490, 172872), (1680, 153321), (1715, 150192), (1764, 146020), (1788, 144060), (1960, 131418), (2058, 125160), (2086, 123480), (2205, 116816), (2235, 115248), (2352, 109515), (2384, 108045), (2401, 107280), (2520, 102214), (2682, 96040), (2744, 93870), (2940, 87612), (2980, 86436), (3087, 83440), (3129, 82320), (3430, 75096), (3528, 73010), (3576, 72030), (3920, 65709), (4116, 62580), (4172, 61740), (4410, 58408), (4470, 57624), (4802, 53640), (5040, 51107), (5145, 50064), (5215, 49392), (5364, 48020), (5488, 46935), (5880, 43806), (5960, 43218), (6174, 41720), (6258, 41160), (6705, 38416), (6860, 37548), (7056, 36505), (7152, 36015), (7203, 35760), (7301, 35280), (8232, 31290), (8344, 30870), (8820, 29204), (8940, 28812), (9387, 27440), (9604, 26820), (10290, 25032), (10430, 24696), (10728, 24010), (11760, 21903), (11920, 21609), (12005, 21456), (12348, 20860), (12516, 20580), (13410, 19208), (13720, 18774), (14406, 17880), (14602, 17640), (15435, 16688), (15645, 16464)]