490045440

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 128

約数和(自身を含む): 1569694320

約数和(自身を除く): 1079648880

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, 512, 640, 768, 960, 997, 1024, 1280, 1536, 1920, 1994, 2048, 2560, 2991, 3072, 3840, 3988, 4096, 4985, 5120, 5982, 6144, 7680, 7976, 8192, 9970, 10240, 11964, 12288, 14955, 15360, 15952, 16384, 19940, 20480, 23928, 24576, 29910, 30720, 31904, 32768, 39880, 40960, 47856, 49152, 59820, 61440, 63808, 79760, 81920, 95712, 98304, 119640, 122880, 127616, 159520, 163840, 191424, 239280, 245760, 255232, 319040, 382848, 478560, 491520, 510464, 638080, 765696, 957120, 1020928, 1276160, 1531392, 1914240, 2041856, 2552320, 3062784, 3828480, 4083712, 5104640, 6125568, 7656960, 8167424, 10209280, 12251136, 15313920, 16334848, 20418560, 24502272, 30627840, 32669696, 40837120, 49004544, 61255680, 81674240, 98009088, 122511360, 163348480, 245022720, 490045440]

約数ペア:

[(1, 490045440), (2, 245022720), (3, 163348480), (4, 122511360), (5, 98009088), (6, 81674240), (8, 61255680), (10, 49004544), (12, 40837120), (15, 32669696), (16, 30627840), (20, 24502272), (24, 20418560), (30, 16334848), (32, 15313920), (40, 12251136), (48, 10209280), (60, 8167424), (64, 7656960), (80, 6125568), (96, 5104640), (120, 4083712), (128, 3828480), (160, 3062784), (192, 2552320), (240, 2041856), (256, 1914240), (320, 1531392), (384, 1276160), (480, 1020928), (512, 957120), (640, 765696), (768, 638080), (960, 510464), (997, 491520), (1024, 478560), (1280, 382848), (1536, 319040), (1920, 255232), (1994, 245760), (2048, 239280), (2560, 191424), (2991, 163840), (3072, 159520), (3840, 127616), (3988, 122880), (4096, 119640), (4985, 98304), (5120, 95712), (5982, 81920), (6144, 79760), (7680, 63808), (7976, 61440), (8192, 59820), (9970, 49152), (10240, 47856), (11964, 40960), (12288, 39880), (14955, 32768), (15360, 31904), (15952, 30720), (16384, 29910), (19940, 24576), (20480, 23928)]