28615680

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 264

約数和(自身を含む): 107295552

約数和(自身を除く): 78679872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 243, 256, 270, 276, 288, 320, 324, 345, 360, 368, 384, 405, 414, 432, 460, 480, 486, 512, 540, 552, 576, 621, 640, 648, 690, 720, 736, 768, 810, 828, 864, 920, 960, 972, 1024, 1035, 1080, 1104, 1152, 1215, 1242, 1280, 1296, 1380, 1440, 1472, 1536, 1620, 1656, 1728, 1840, 1863, 1920, 1944, 2070, 2160, 2208, 2304, 2430, 2484, 2560, 2592, 2760, 2880, 2944, 3072, 3105, 3240, 3312, 3456, 3680, 3726, 3840, 3888, 4140, 4320, 4416, 4608, 4860, 4968, 5120, 5184, 5520, 5589, 5760, 5888, 6210, 6480, 6624, 6912, 7360, 7452, 7680, 7776, 8280, 8640, 8832, 9216, 9315, 9720, 9936, 10368, 11040, 11178, 11520, 11776, 12420, 12960, 13248, 13824, 14720, 14904, 15360, 15552, 16560, 17280, 17664, 18630, 19440, 19872, 20736, 22080, 22356, 23040, 23552, 24840, 25920, 26496, 27648, 27945, 29440, 29808, 31104, 33120, 34560, 35328, 37260, 38880, 39744, 41472, 44160, 44712, 46080, 49680, 51840, 52992, 55890, 58880, 59616, 62208, 66240, 69120, 70656, 74520, 77760, 79488, 82944, 88320, 89424, 99360, 103680, 105984, 111780, 117760, 119232, 124416, 132480, 138240, 149040, 155520, 158976, 176640, 178848, 198720, 207360, 211968, 223560, 238464, 248832, 264960, 298080, 311040, 317952, 353280, 357696, 397440, 414720, 447120, 476928, 529920, 596160, 622080, 635904, 715392, 794880, 894240, 953856, 1059840, 1192320, 1244160, 1430784, 1589760, 1788480, 1907712, 2384640, 2861568, 3179520, 3576960, 4769280, 5723136, 7153920, 9538560, 14307840, 28615680]

約数ペア:

[(1, 28615680), (2, 14307840), (3, 9538560), (4, 7153920), (5, 5723136), (6, 4769280), (8, 3576960), (9, 3179520), (10, 2861568), (12, 2384640), (15, 1907712), (16, 1788480), (18, 1589760), (20, 1430784), (23, 1244160), (24, 1192320), (27, 1059840), (30, 953856), (32, 894240), (36, 794880), (40, 715392), (45, 635904), (46, 622080), (48, 596160), (54, 529920), (60, 476928), (64, 447120), (69, 414720), (72, 397440), (80, 357696), (81, 353280), (90, 317952), (92, 311040), (96, 298080), (108, 264960), (115, 248832), (120, 238464), (128, 223560), (135, 211968), (138, 207360), (144, 198720), (160, 178848), (162, 176640), (180, 158976), (184, 155520), (192, 149040), (207, 138240), (216, 132480), (230, 124416), (240, 119232), (243, 117760), (256, 111780), (270, 105984), (276, 103680), (288, 99360), (320, 89424), (324, 88320), (345, 82944), (360, 79488), (368, 77760), (384, 74520), (405, 70656), (414, 69120), (432, 66240), (460, 62208), (480, 59616), (486, 58880), (512, 55890), (540, 52992), (552, 51840), (576, 49680), (621, 46080), (640, 44712), (648, 44160), (690, 41472), (720, 39744), (736, 38880), (768, 37260), (810, 35328), (828, 34560), (864, 33120), (920, 31104), (960, 29808), (972, 29440), (1024, 27945), (1035, 27648), (1080, 26496), (1104, 25920), (1152, 24840), (1215, 23552), (1242, 23040), (1280, 22356), (1296, 22080), (1380, 20736), (1440, 19872), (1472, 19440), (1536, 18630), (1620, 17664), (1656, 17280), (1728, 16560), (1840, 15552), (1863, 15360), (1920, 14904), (1944, 14720), (2070, 13824), (2160, 13248), (2208, 12960), (2304, 12420), (2430, 11776), (2484, 11520), (2560, 11178), (2592, 11040), (2760, 10368), (2880, 9936), (2944, 9720), (3072, 9315), (3105, 9216), (3240, 8832), (3312, 8640), (3456, 8280), (3680, 7776), (3726, 7680), (3840, 7452), (3888, 7360), (4140, 6912), (4320, 6624), (4416, 6480), (4608, 6210), (4860, 5888), (4968, 5760), (5120, 5589), (5184, 5520)]