216913920

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 192

約数和(自身を含む): 726485760

約数和(自身を除く): 509571840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 307, 320, 345, 368, 384, 460, 480, 512, 552, 614, 640, 690, 736, 768, 920, 921, 960, 1024, 1104, 1228, 1280, 1380, 1472, 1535, 1536, 1840, 1842, 1920, 2048, 2208, 2456, 2560, 2760, 2944, 3070, 3072, 3680, 3684, 3840, 4416, 4605, 4912, 5120, 5520, 5888, 6140, 6144, 7061, 7360, 7368, 7680, 8832, 9210, 9824, 10240, 11040, 11776, 12280, 14122, 14720, 14736, 15360, 17664, 18420, 19648, 21183, 22080, 23552, 24560, 28244, 29440, 29472, 30720, 35305, 35328, 36840, 39296, 42366, 44160, 47104, 49120, 56488, 58880, 58944, 70610, 70656, 73680, 78592, 84732, 88320, 98240, 105915, 112976, 117760, 117888, 141220, 141312, 147360, 157184, 169464, 176640, 196480, 211830, 225952, 235520, 235776, 282440, 294720, 314368, 338928, 353280, 392960, 423660, 451904, 471552, 564880, 589440, 628736, 677856, 706560, 785920, 847320, 903808, 943104, 1129760, 1178880, 1355712, 1571840, 1694640, 1807616, 1886208, 2259520, 2357760, 2711424, 3143680, 3389280, 3615232, 4519040, 4715520, 5422848, 6778560, 7230464, 9038080, 9431040, 10845696, 13557120, 14460928, 18076160, 21691392, 27114240, 36152320, 43382784, 54228480, 72304640, 108456960, 216913920]

約数ペア:

[(1, 216913920), (2, 108456960), (3, 72304640), (4, 54228480), (5, 43382784), (6, 36152320), (8, 27114240), (10, 21691392), (12, 18076160), (15, 14460928), (16, 13557120), (20, 10845696), (23, 9431040), (24, 9038080), (30, 7230464), (32, 6778560), (40, 5422848), (46, 4715520), (48, 4519040), (60, 3615232), (64, 3389280), (69, 3143680), (80, 2711424), (92, 2357760), (96, 2259520), (115, 1886208), (120, 1807616), (128, 1694640), (138, 1571840), (160, 1355712), (184, 1178880), (192, 1129760), (230, 943104), (240, 903808), (256, 847320), (276, 785920), (307, 706560), (320, 677856), (345, 628736), (368, 589440), (384, 564880), (460, 471552), (480, 451904), (512, 423660), (552, 392960), (614, 353280), (640, 338928), (690, 314368), (736, 294720), (768, 282440), (920, 235776), (921, 235520), (960, 225952), (1024, 211830), (1104, 196480), (1228, 176640), (1280, 169464), (1380, 157184), (1472, 147360), (1535, 141312), (1536, 141220), (1840, 117888), (1842, 117760), (1920, 112976), (2048, 105915), (2208, 98240), (2456, 88320), (2560, 84732), (2760, 78592), (2944, 73680), (3070, 70656), (3072, 70610), (3680, 58944), (3684, 58880), (3840, 56488), (4416, 49120), (4605, 47104), (4912, 44160), (5120, 42366), (5520, 39296), (5888, 36840), (6140, 35328), (6144, 35305), (7061, 30720), (7360, 29472), (7368, 29440), (7680, 28244), (8832, 24560), (9210, 23552), (9824, 22080), (10240, 21183), (11040, 19648), (11776, 18420), (12280, 17664), (14122, 15360), (14720, 14736)]