204472320

素因数分解:

$2^{20}\times 3^1\times 5^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 168

約数和(自身を含む): 704642736

約数和(自身を除く): 500170416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2048, 2080, 2496, 2560, 3072, 3120, 3328, 3840, 4096, 4160, 4992, 5120, 6144, 6240, 6656, 7680, 8192, 8320, 9984, 10240, 12288, 12480, 13312, 15360, 16384, 16640, 19968, 20480, 24576, 24960, 26624, 30720, 32768, 33280, 39936, 40960, 49152, 49920, 53248, 61440, 65536, 66560, 79872, 81920, 98304, 99840, 106496, 122880, 131072, 133120, 159744, 163840, 196608, 199680, 212992, 245760, 262144, 266240, 319488, 327680, 393216, 399360, 425984, 491520, 524288, 532480, 638976, 655360, 786432, 798720, 851968, 983040, 1048576, 1064960, 1277952, 1310720, 1572864, 1597440, 1703936, 1966080, 2129920, 2555904, 2621440, 3145728, 3194880, 3407872, 3932160, 4259840, 5111808, 5242880, 6389760, 6815744, 7864320, 8519680, 10223616, 12779520, 13631488, 15728640, 17039360, 20447232, 25559040, 34078720, 40894464, 51118080, 68157440, 102236160, 204472320]

約数ペア:

[(1, 204472320), (2, 102236160), (3, 68157440), (4, 51118080), (5, 40894464), (6, 34078720), (8, 25559040), (10, 20447232), (12, 17039360), (13, 15728640), (15, 13631488), (16, 12779520), (20, 10223616), (24, 8519680), (26, 7864320), (30, 6815744), (32, 6389760), (39, 5242880), (40, 5111808), (48, 4259840), (52, 3932160), (60, 3407872), (64, 3194880), (65, 3145728), (78, 2621440), (80, 2555904), (96, 2129920), (104, 1966080), (120, 1703936), (128, 1597440), (130, 1572864), (156, 1310720), (160, 1277952), (192, 1064960), (195, 1048576), (208, 983040), (240, 851968), (256, 798720), (260, 786432), (312, 655360), (320, 638976), (384, 532480), (390, 524288), (416, 491520), (480, 425984), (512, 399360), (520, 393216), (624, 327680), (640, 319488), (768, 266240), (780, 262144), (832, 245760), (960, 212992), (1024, 199680), (1040, 196608), (1248, 163840), (1280, 159744), (1536, 133120), (1560, 131072), (1664, 122880), (1920, 106496), (2048, 99840), (2080, 98304), (2496, 81920), (2560, 79872), (3072, 66560), (3120, 65536), (3328, 61440), (3840, 53248), (4096, 49920), (4160, 49152), (4992, 40960), (5120, 39936), (6144, 33280), (6240, 32768), (6656, 30720), (7680, 26624), (8192, 24960), (8320, 24576), (9984, 20480), (10240, 19968), (12288, 16640), (12480, 16384), (13312, 15360)]