638530560

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 352

約数和(自身を含む): 2358144000

約数和(自身を除く): 1719613440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 149, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 298, 310, 320, 360, 372, 384, 432, 447, 465, 480, 496, 512, 540, 558, 576, 596, 620, 640, 720, 744, 745, 768, 837, 864, 894, 930, 960, 992, 1024, 1080, 1116, 1152, 1192, 1240, 1280, 1341, 1395, 1440, 1488, 1490, 1536, 1674, 1728, 1788, 1860, 1920, 1984, 2160, 2232, 2235, 2304, 2384, 2480, 2560, 2682, 2790, 2880, 2976, 2980, 3072, 3348, 3456, 3576, 3720, 3840, 3968, 4023, 4185, 4320, 4464, 4470, 4608, 4619, 4768, 4960, 5120, 5364, 5580, 5760, 5952, 5960, 6696, 6705, 6912, 7152, 7440, 7680, 7936, 8046, 8370, 8640, 8928, 8940, 9216, 9238, 9536, 9920, 10728, 11160, 11520, 11904, 11920, 13392, 13410, 13824, 13857, 14304, 14880, 15360, 15872, 16092, 16740, 17280, 17856, 17880, 18476, 19072, 19840, 20115, 21456, 22320, 23040, 23095, 23808, 23840, 26784, 26820, 27648, 27714, 28608, 29760, 31744, 32184, 33480, 34560, 35712, 35760, 36952, 38144, 39680, 40230, 41571, 42912, 44640, 46080, 46190, 47616, 47680, 53568, 53640, 55428, 57216, 59520, 64368, 66960, 69120, 69285, 71424, 71520, 73904, 76288, 79360, 80460, 83142, 85824, 89280, 92380, 95232, 95360, 107136, 107280, 110856, 114432, 119040, 124713, 128736, 133920, 138240, 138570, 142848, 143040, 147808, 152576, 158720, 160920, 166284, 171648, 178560, 184760, 190720, 207855, 214272, 214560, 221712, 228864, 238080, 249426, 257472, 267840, 277140, 285696, 286080, 295616, 321840, 332568, 343296, 357120, 369520, 381440, 415710, 428544, 429120, 443424, 457728, 476160, 498852, 514944, 535680, 554280, 572160, 591232, 623565, 643680, 665136, 686592, 714240, 739040, 762880, 831420, 857088, 858240, 886848, 997704, 1029888, 1071360, 1108560, 1144320, 1182464, 1247130, 1287360, 1330272, 1373184, 1428480, 1478080, 1662840, 1716480, 1773696, 1995408, 2059776, 2142720, 2217120, 2288640, 2364928, 2494260, 2574720, 2660544, 2956160, 3325680, 3432960, 3547392, 3990816, 4119552, 4285440, 4434240, 4729856, 4988520, 5149440, 5321088, 5912320, 6651360, 6865920, 7094784, 7981632, 8868480, 9977040, 10298880, 10642176, 11824640, 13302720, 14189568, 15963264, 17736960, 19954080, 20597760, 21284352, 23649280, 26605440, 31926528, 35473920, 39908160, 42568704, 53210880, 63853056, 70947840, 79816320, 106421760, 127706112, 159632640, 212843520, 319265280, 638530560]

約数ペア:

[(1, 638530560), (2, 319265280), (3, 212843520), (4, 159632640), (5, 127706112), (6, 106421760), (8, 79816320), (9, 70947840), (10, 63853056), (12, 53210880), (15, 42568704), (16, 39908160), (18, 35473920), (20, 31926528), (24, 26605440), (27, 23649280), (30, 21284352), (31, 20597760), (32, 19954080), (36, 17736960), (40, 15963264), (45, 14189568), (48, 13302720), (54, 11824640), (60, 10642176), (62, 10298880), (64, 9977040), (72, 8868480), (80, 7981632), (90, 7094784), (93, 6865920), (96, 6651360), (108, 5912320), (120, 5321088), (124, 5149440), (128, 4988520), (135, 4729856), (144, 4434240), (149, 4285440), (155, 4119552), (160, 3990816), (180, 3547392), (186, 3432960), (192, 3325680), (216, 2956160), (240, 2660544), (248, 2574720), (256, 2494260), (270, 2364928), (279, 2288640), (288, 2217120), (298, 2142720), (310, 2059776), (320, 1995408), (360, 1773696), (372, 1716480), (384, 1662840), (432, 1478080), (447, 1428480), (465, 1373184), (480, 1330272), (496, 1287360), (512, 1247130), (540, 1182464), (558, 1144320), (576, 1108560), (596, 1071360), (620, 1029888), (640, 997704), (720, 886848), (744, 858240), (745, 857088), (768, 831420), (837, 762880), (864, 739040), (894, 714240), (930, 686592), (960, 665136), (992, 643680), (1024, 623565), (1080, 591232), (1116, 572160), (1152, 554280), (1192, 535680), (1240, 514944), (1280, 498852), (1341, 476160), (1395, 457728), (1440, 443424), (1488, 429120), (1490, 428544), (1536, 415710), (1674, 381440), (1728, 369520), (1788, 357120), (1860, 343296), (1920, 332568), (1984, 321840), (2160, 295616), (2232, 286080), (2235, 285696), (2304, 277140), (2384, 267840), (2480, 257472), (2560, 249426), (2682, 238080), (2790, 228864), (2880, 221712), (2976, 214560), (2980, 214272), (3072, 207855), (3348, 190720), (3456, 184760), (3576, 178560), (3720, 171648), (3840, 166284), (3968, 160920), (4023, 158720), (4185, 152576), (4320, 147808), (4464, 143040), (4470, 142848), (4608, 138570), (4619, 138240), (4768, 133920), (4960, 128736), (5120, 124713), (5364, 119040), (5580, 114432), (5760, 110856), (5952, 107280), (5960, 107136), (6696, 95360), (6705, 95232), (6912, 92380), (7152, 89280), (7440, 85824), (7680, 83142), (7936, 80460), (8046, 79360), (8370, 76288), (8640, 73904), (8928, 71520), (8940, 71424), (9216, 69285), (9238, 69120), (9536, 66960), (9920, 64368), (10728, 59520), (11160, 57216), (11520, 55428), (11904, 53640), (11920, 53568), (13392, 47680), (13410, 47616), (13824, 46190), (13857, 46080), (14304, 44640), (14880, 42912), (15360, 41571), (15872, 40230), (16092, 39680), (16740, 38144), (17280, 36952), (17856, 35760), (17880, 35712), (18476, 34560), (19072, 33480), (19840, 32184), (20115, 31744), (21456, 29760), (22320, 28608), (23040, 27714), (23095, 27648), (23808, 26820), (23840, 26784)]