245268480

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 786420000

約数和(自身を除く): 541151520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 499, 512, 640, 768, 960, 998, 1024, 1280, 1497, 1536, 1920, 1996, 2048, 2495, 2560, 2994, 3072, 3840, 3992, 4096, 4990, 5120, 5988, 6144, 7485, 7680, 7984, 8192, 9980, 10240, 11976, 12288, 14970, 15360, 15968, 16384, 19960, 20480, 23952, 24576, 29940, 30720, 31936, 32768, 39920, 40960, 47904, 49152, 59880, 61440, 63872, 79840, 81920, 95808, 98304, 119760, 122880, 127744, 159680, 163840, 191616, 239520, 245760, 255488, 319360, 383232, 479040, 491520, 510976, 638720, 766464, 958080, 1021952, 1277440, 1532928, 1916160, 2043904, 2554880, 3065856, 3832320, 4087808, 5109760, 6131712, 7664640, 8175616, 10219520, 12263424, 15329280, 16351232, 20439040, 24526848, 30658560, 40878080, 49053696, 61317120, 81756160, 122634240, 245268480]

約数ペア:

[(1, 245268480), (2, 122634240), (3, 81756160), (4, 61317120), (5, 49053696), (6, 40878080), (8, 30658560), (10, 24526848), (12, 20439040), (15, 16351232), (16, 15329280), (20, 12263424), (24, 10219520), (30, 8175616), (32, 7664640), (40, 6131712), (48, 5109760), (60, 4087808), (64, 3832320), (80, 3065856), (96, 2554880), (120, 2043904), (128, 1916160), (160, 1532928), (192, 1277440), (240, 1021952), (256, 958080), (320, 766464), (384, 638720), (480, 510976), (499, 491520), (512, 479040), (640, 383232), (768, 319360), (960, 255488), (998, 245760), (1024, 239520), (1280, 191616), (1497, 163840), (1536, 159680), (1920, 127744), (1996, 122880), (2048, 119760), (2495, 98304), (2560, 95808), (2994, 81920), (3072, 79840), (3840, 63872), (3992, 61440), (4096, 59880), (4990, 49152), (5120, 47904), (5988, 40960), (6144, 39920), (7485, 32768), (7680, 31936), (7984, 30720), (8192, 29940), (9980, 24576), (10240, 23952), (11976, 20480), (12288, 19960), (14970, 16384), (15360, 15968)]