25712640

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 240

約数和(自身を含む): 95135040

約数和(自身を除く): 69422400

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, 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, 12555, 12960, 13392, 13824, 14880, 15360, 15872, 16740, 17280, 17856, 18432, 19840, 20088, 20736, 22320, 23040, 23808, 25110, 25920, 26784, 27648, 29760, 30720, 31744, 33480, 34560, 35712, 39680, 40176, 41472, 44640, 46080, 47616, 50220, 51840, 53568, 55296, 59520, 63488, 66960, 69120, 71424, 79360, 80352, 82944, 89280, 92160, 95232, 100440, 103680, 107136, 119040, 133920, 138240, 142848, 158720, 160704, 165888, 178560, 190464, 200880, 207360, 214272, 238080, 267840, 276480, 285696, 317440, 321408, 357120, 401760, 414720, 428544, 476160, 535680, 571392, 642816, 714240, 803520, 829440, 857088, 952320, 1071360, 1285632, 1428480, 1607040, 1714176, 2142720, 2571264, 2856960, 3214080, 4285440, 5142528, 6428160, 8570880, 12856320, 25712640]

約数ペア:

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