8440320

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 160

約数和(自身を含む): 31033728

約数和(自身を除く): 22593408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 157, 160, 168, 192, 210, 224, 240, 256, 280, 314, 320, 336, 384, 420, 448, 471, 480, 512, 560, 628, 640, 672, 768, 785, 840, 896, 942, 960, 1099, 1120, 1256, 1280, 1344, 1536, 1570, 1680, 1792, 1884, 1920, 2198, 2240, 2355, 2512, 2560, 2688, 3140, 3297, 3360, 3584, 3768, 3840, 4396, 4480, 4710, 5024, 5376, 5495, 6280, 6594, 6720, 7536, 7680, 8792, 8960, 9420, 10048, 10752, 10990, 12560, 13188, 13440, 15072, 16485, 17584, 17920, 18840, 20096, 21980, 25120, 26376, 26880, 30144, 32970, 35168, 37680, 40192, 43960, 50240, 52752, 53760, 60288, 65940, 70336, 75360, 80384, 87920, 100480, 105504, 120576, 131880, 140672, 150720, 175840, 200960, 211008, 241152, 263760, 281344, 301440, 351680, 401920, 422016, 527520, 562688, 602880, 703360, 844032, 1055040, 1205760, 1406720, 1688064, 2110080, 2813440, 4220160, 8440320]

約数ペア:

[(1, 8440320), (2, 4220160), (3, 2813440), (4, 2110080), (5, 1688064), (6, 1406720), (7, 1205760), (8, 1055040), (10, 844032), (12, 703360), (14, 602880), (15, 562688), (16, 527520), (20, 422016), (21, 401920), (24, 351680), (28, 301440), (30, 281344), (32, 263760), (35, 241152), (40, 211008), (42, 200960), (48, 175840), (56, 150720), (60, 140672), (64, 131880), (70, 120576), (80, 105504), (84, 100480), (96, 87920), (105, 80384), (112, 75360), (120, 70336), (128, 65940), (140, 60288), (157, 53760), (160, 52752), (168, 50240), (192, 43960), (210, 40192), (224, 37680), (240, 35168), (256, 32970), (280, 30144), (314, 26880), (320, 26376), (336, 25120), (384, 21980), (420, 20096), (448, 18840), (471, 17920), (480, 17584), (512, 16485), (560, 15072), (628, 13440), (640, 13188), (672, 12560), (768, 10990), (785, 10752), (840, 10048), (896, 9420), (942, 8960), (960, 8792), (1099, 7680), (1120, 7536), (1256, 6720), (1280, 6594), (1344, 6280), (1536, 5495), (1570, 5376), (1680, 5024), (1792, 4710), (1884, 4480), (1920, 4396), (2198, 3840), (2240, 3768), (2355, 3584), (2512, 3360), (2560, 3297), (2688, 3140)]