21550080

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 176

約数和(自身を含む): 73102464

約数和(自身を除く): 51552384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 61, 64, 69, 80, 92, 96, 115, 120, 122, 128, 138, 160, 183, 184, 192, 230, 240, 244, 256, 276, 305, 320, 345, 366, 368, 384, 460, 480, 488, 512, 552, 610, 640, 690, 732, 736, 768, 915, 920, 960, 976, 1024, 1104, 1220, 1280, 1380, 1403, 1464, 1472, 1536, 1830, 1840, 1920, 1952, 2208, 2440, 2560, 2760, 2806, 2928, 2944, 3072, 3660, 3680, 3840, 3904, 4209, 4416, 4880, 5120, 5520, 5612, 5856, 5888, 7015, 7320, 7360, 7680, 7808, 8418, 8832, 9760, 11040, 11224, 11712, 11776, 14030, 14640, 14720, 15360, 15616, 16836, 17664, 19520, 21045, 22080, 22448, 23424, 23552, 28060, 29280, 29440, 31232, 33672, 35328, 39040, 42090, 44160, 44896, 46848, 56120, 58560, 58880, 62464, 67344, 70656, 78080, 84180, 88320, 89792, 93696, 112240, 117120, 117760, 134688, 156160, 168360, 176640, 179584, 187392, 224480, 234240, 269376, 312320, 336720, 353280, 359168, 448960, 468480, 538752, 673440, 718336, 897920, 936960, 1077504, 1346880, 1436672, 1795840, 2155008, 2693760, 3591680, 4310016, 5387520, 7183360, 10775040, 21550080]

約数ペア:

[(1, 21550080), (2, 10775040), (3, 7183360), (4, 5387520), (5, 4310016), (6, 3591680), (8, 2693760), (10, 2155008), (12, 1795840), (15, 1436672), (16, 1346880), (20, 1077504), (23, 936960), (24, 897920), (30, 718336), (32, 673440), (40, 538752), (46, 468480), (48, 448960), (60, 359168), (61, 353280), (64, 336720), (69, 312320), (80, 269376), (92, 234240), (96, 224480), (115, 187392), (120, 179584), (122, 176640), (128, 168360), (138, 156160), (160, 134688), (183, 117760), (184, 117120), (192, 112240), (230, 93696), (240, 89792), (244, 88320), (256, 84180), (276, 78080), (305, 70656), (320, 67344), (345, 62464), (366, 58880), (368, 58560), (384, 56120), (460, 46848), (480, 44896), (488, 44160), (512, 42090), (552, 39040), (610, 35328), (640, 33672), (690, 31232), (732, 29440), (736, 29280), (768, 28060), (915, 23552), (920, 23424), (960, 22448), (976, 22080), (1024, 21045), (1104, 19520), (1220, 17664), (1280, 16836), (1380, 15616), (1403, 15360), (1464, 14720), (1472, 14640), (1536, 14030), (1830, 11776), (1840, 11712), (1920, 11224), (1952, 11040), (2208, 9760), (2440, 8832), (2560, 8418), (2760, 7808), (2806, 7680), (2928, 7360), (2944, 7320), (3072, 7015), (3660, 5888), (3680, 5856), (3840, 5612), (3904, 5520), (4209, 5120), (4416, 4880)]