20152320

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 66059280

約数和(自身を除く): 45906960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 512, 615, 640, 656, 768, 820, 960, 984, 1024, 1230, 1280, 1312, 1536, 1640, 1920, 1968, 2048, 2460, 2560, 2624, 3072, 3280, 3840, 3936, 4096, 4920, 5120, 5248, 6144, 6560, 7680, 7872, 8192, 9840, 10240, 10496, 12288, 13120, 15360, 15744, 16384, 19680, 20480, 20992, 24576, 26240, 30720, 31488, 32768, 39360, 40960, 41984, 49152, 52480, 61440, 62976, 78720, 81920, 83968, 98304, 104960, 122880, 125952, 157440, 163840, 167936, 209920, 245760, 251904, 314880, 335872, 419840, 491520, 503808, 629760, 671744, 839680, 1007616, 1259520, 1343488, 1679360, 2015232, 2519040, 3358720, 4030464, 5038080, 6717440, 10076160, 20152320]

約数ペア:

[(1, 20152320), (2, 10076160), (3, 6717440), (4, 5038080), (5, 4030464), (6, 3358720), (8, 2519040), (10, 2015232), (12, 1679360), (15, 1343488), (16, 1259520), (20, 1007616), (24, 839680), (30, 671744), (32, 629760), (40, 503808), (41, 491520), (48, 419840), (60, 335872), (64, 314880), (80, 251904), (82, 245760), (96, 209920), (120, 167936), (123, 163840), (128, 157440), (160, 125952), (164, 122880), (192, 104960), (205, 98304), (240, 83968), (246, 81920), (256, 78720), (320, 62976), (328, 61440), (384, 52480), (410, 49152), (480, 41984), (492, 40960), (512, 39360), (615, 32768), (640, 31488), (656, 30720), (768, 26240), (820, 24576), (960, 20992), (984, 20480), (1024, 19680), (1230, 16384), (1280, 15744), (1312, 15360), (1536, 13120), (1640, 12288), (1920, 10496), (1968, 10240), (2048, 9840), (2460, 8192), (2560, 7872), (2624, 7680), (3072, 6560), (3280, 6144), (3840, 5248), (3936, 5120), (4096, 4920)]