51425280

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 260

約数和(自身を含む): 190293312

約数和(自身を除く): 138868032

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, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 496, 512, 540, 558, 576, 620, 640, 648, 720, 744, 768, 810, 837, 864, 930, 960, 992, 1024, 1080, 1116, 1152, 1240, 1280, 1296, 1395, 1440, 1488, 1536, 1620, 1674, 1728, 1860, 1920, 1984, 2048, 2160, 2232, 2304, 2480, 2511, 2560, 2592, 2790, 2880, 2976, 3072, 3240, 3348, 3456, 3720, 3840, 3968, 4096, 4185, 4320, 4464, 4608, 4960, 5022, 5120, 5184, 5580, 5760, 5952, 6144, 6480, 6696, 6912, 7440, 7680, 7936, 8370, 8640, 8928, 9216, 9920, 10044, 10240, 10368, 11160, 11520, 11904, 12288, 12555, 12960, 13392, 13824, 14880, 15360, 15872, 16740, 17280, 17856, 18432, 19840, 20088, 20480, 20736, 22320, 23040, 23808, 25110, 25920, 26784, 27648, 29760, 30720, 31744, 33480, 34560, 35712, 36864, 39680, 40176, 41472, 44640, 46080, 47616, 50220, 51840, 53568, 55296, 59520, 61440, 63488, 66960, 69120, 71424, 79360, 80352, 82944, 89280, 92160, 95232, 100440, 103680, 107136, 110592, 119040, 126976, 133920, 138240, 142848, 158720, 160704, 165888, 178560, 184320, 190464, 200880, 207360, 214272, 238080, 267840, 276480, 285696, 317440, 321408, 331776, 357120, 380928, 401760, 414720, 428544, 476160, 535680, 552960, 571392, 634880, 642816, 714240, 803520, 829440, 857088, 952320, 1071360, 1142784, 1285632, 1428480, 1607040, 1658880, 1714176, 1904640, 2142720, 2571264, 2856960, 3214080, 3428352, 4285440, 5142528, 5713920, 6428160, 8570880, 10285056, 12856320, 17141760, 25712640, 51425280]

約数ペア:

[(1, 51425280), (2, 25712640), (3, 17141760), (4, 12856320), (5, 10285056), (6, 8570880), (8, 6428160), (9, 5713920), (10, 5142528), (12, 4285440), (15, 3428352), (16, 3214080), (18, 2856960), (20, 2571264), (24, 2142720), (27, 1904640), (30, 1714176), (31, 1658880), (32, 1607040), (36, 1428480), (40, 1285632), (45, 1142784), (48, 1071360), (54, 952320), (60, 857088), (62, 829440), (64, 803520), (72, 714240), (80, 642816), (81, 634880), (90, 571392), (93, 552960), (96, 535680), (108, 476160), (120, 428544), (124, 414720), (128, 401760), (135, 380928), (144, 357120), (155, 331776), (160, 321408), (162, 317440), (180, 285696), (186, 276480), (192, 267840), (216, 238080), (240, 214272), (248, 207360), (256, 200880), (270, 190464), (279, 184320), (288, 178560), (310, 165888), (320, 160704), (324, 158720), (360, 142848), (372, 138240), (384, 133920), (405, 126976), (432, 119040), (465, 110592), (480, 107136), (496, 103680), (512, 100440), (540, 95232), (558, 92160), (576, 89280), (620, 82944), (640, 80352), (648, 79360), (720, 71424), (744, 69120), (768, 66960), (810, 63488), (837, 61440), (864, 59520), (930, 55296), (960, 53568), (992, 51840), (1024, 50220), (1080, 47616), (1116, 46080), (1152, 44640), (1240, 41472), (1280, 40176), (1296, 39680), (1395, 36864), (1440, 35712), (1488, 34560), (1536, 33480), (1620, 31744), (1674, 30720), (1728, 29760), (1860, 27648), (1920, 26784), (1984, 25920), (2048, 25110), (2160, 23808), (2232, 23040), (2304, 22320), (2480, 20736), (2511, 20480), (2560, 20088), (2592, 19840), (2790, 18432), (2880, 17856), (2976, 17280), (3072, 16740), (3240, 15872), (3348, 15360), (3456, 14880), (3720, 13824), (3840, 13392), (3968, 12960), (4096, 12555), (4185, 12288), (4320, 11904), (4464, 11520), (4608, 11160), (4960, 10368), (5022, 10240), (5120, 10044), (5184, 9920), (5580, 9216), (5760, 8928), (5952, 8640), (6144, 8370), (6480, 7936), (6696, 7680), (6912, 7440)]