487587840

素因数分解:

$2^{20}\times 3^1\times 5^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 168

約数和(自身を含む): 1610611968

約数和(自身を除く): 1123024128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4096, 4960, 5120, 5952, 6144, 7440, 7680, 7936, 8192, 9920, 10240, 11904, 12288, 14880, 15360, 15872, 16384, 19840, 20480, 23808, 24576, 29760, 30720, 31744, 32768, 39680, 40960, 47616, 49152, 59520, 61440, 63488, 65536, 79360, 81920, 95232, 98304, 119040, 122880, 126976, 131072, 158720, 163840, 190464, 196608, 238080, 245760, 253952, 262144, 317440, 327680, 380928, 393216, 476160, 491520, 507904, 524288, 634880, 655360, 761856, 786432, 952320, 983040, 1015808, 1048576, 1269760, 1310720, 1523712, 1572864, 1904640, 1966080, 2031616, 2539520, 2621440, 3047424, 3145728, 3809280, 3932160, 4063232, 5079040, 5242880, 6094848, 7618560, 7864320, 8126464, 10158080, 12189696, 15237120, 15728640, 16252928, 20316160, 24379392, 30474240, 32505856, 40632320, 48758784, 60948480, 81264640, 97517568, 121896960, 162529280, 243793920, 487587840]

約数ペア:

[(1, 487587840), (2, 243793920), (3, 162529280), (4, 121896960), (5, 97517568), (6, 81264640), (8, 60948480), (10, 48758784), (12, 40632320), (15, 32505856), (16, 30474240), (20, 24379392), (24, 20316160), (30, 16252928), (31, 15728640), (32, 15237120), (40, 12189696), (48, 10158080), (60, 8126464), (62, 7864320), (64, 7618560), (80, 6094848), (93, 5242880), (96, 5079040), (120, 4063232), (124, 3932160), (128, 3809280), (155, 3145728), (160, 3047424), (186, 2621440), (192, 2539520), (240, 2031616), (248, 1966080), (256, 1904640), (310, 1572864), (320, 1523712), (372, 1310720), (384, 1269760), (465, 1048576), (480, 1015808), (496, 983040), (512, 952320), (620, 786432), (640, 761856), (744, 655360), (768, 634880), (930, 524288), (960, 507904), (992, 491520), (1024, 476160), (1240, 393216), (1280, 380928), (1488, 327680), (1536, 317440), (1860, 262144), (1920, 253952), (1984, 245760), (2048, 238080), (2480, 196608), (2560, 190464), (2976, 163840), (3072, 158720), (3720, 131072), (3840, 126976), (3968, 122880), (4096, 119040), (4960, 98304), (5120, 95232), (5952, 81920), (6144, 79360), (7440, 65536), (7680, 63488), (7936, 61440), (8192, 59520), (9920, 49152), (10240, 47616), (11904, 40960), (12288, 39680), (14880, 32768), (15360, 31744), (15872, 30720), (16384, 29760), (19840, 24576), (20480, 23808)]