251658240

素因数分解:

$2^{24}\times 3^1\times 5^1$

素因数の和:56

約数の個数: 100

約数和(自身を含む): 805306344

約数和(自身を除く): 553648104

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, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 8192, 10240, 12288, 15360, 16384, 20480, 24576, 30720, 32768, 40960, 49152, 61440, 65536, 81920, 98304, 122880, 131072, 163840, 196608, 245760, 262144, 327680, 393216, 491520, 524288, 655360, 786432, 983040, 1048576, 1310720, 1572864, 1966080, 2097152, 2621440, 3145728, 3932160, 4194304, 5242880, 6291456, 7864320, 8388608, 10485760, 12582912, 15728640, 16777216, 20971520, 25165824, 31457280, 41943040, 50331648, 62914560, 83886080, 125829120, 251658240]

約数ペア:

[(1, 251658240), (2, 125829120), (3, 83886080), (4, 62914560), (5, 50331648), (6, 41943040), (8, 31457280), (10, 25165824), (12, 20971520), (15, 16777216), (16, 15728640), (20, 12582912), (24, 10485760), (30, 8388608), (32, 7864320), (40, 6291456), (48, 5242880), (60, 4194304), (64, 3932160), (80, 3145728), (96, 2621440), (120, 2097152), (128, 1966080), (160, 1572864), (192, 1310720), (240, 1048576), (256, 983040), (320, 786432), (384, 655360), (480, 524288), (512, 491520), (640, 393216), (768, 327680), (960, 262144), (1024, 245760), (1280, 196608), (1536, 163840), (1920, 131072), (2048, 122880), (2560, 98304), (3072, 81920), (3840, 65536), (4096, 61440), (5120, 49152), (6144, 40960), (7680, 32768), (8192, 30720), (10240, 24576), (12288, 20480), (15360, 16384)]