27121920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1009}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 99093120

約数和(自身を除く): 71971200

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, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1009, 1120, 1280, 1344, 1680, 1792, 1920, 2018, 2240, 2688, 3027, 3360, 3840, 4036, 4480, 5045, 5376, 6054, 6720, 7063, 8072, 8960, 10090, 12108, 13440, 14126, 15135, 16144, 20180, 21189, 24216, 26880, 28252, 30270, 32288, 35315, 40360, 42378, 48432, 56504, 60540, 64576, 70630, 80720, 84756, 96864, 105945, 113008, 121080, 129152, 141260, 161440, 169512, 193728, 211890, 226016, 242160, 258304, 282520, 322880, 339024, 387456, 423780, 452032, 484320, 565040, 645760, 678048, 774912, 847560, 904064, 968640, 1130080, 1291520, 1356096, 1695120, 1808128, 1937280, 2260160, 2712192, 3390240, 3874560, 4520320, 5424384, 6780480, 9040640, 13560960, 27121920]

約数ペア:

[(1, 27121920), (2, 13560960), (3, 9040640), (4, 6780480), (5, 5424384), (6, 4520320), (7, 3874560), (8, 3390240), (10, 2712192), (12, 2260160), (14, 1937280), (15, 1808128), (16, 1695120), (20, 1356096), (21, 1291520), (24, 1130080), (28, 968640), (30, 904064), (32, 847560), (35, 774912), (40, 678048), (42, 645760), (48, 565040), (56, 484320), (60, 452032), (64, 423780), (70, 387456), (80, 339024), (84, 322880), (96, 282520), (105, 258304), (112, 242160), (120, 226016), (128, 211890), (140, 193728), (160, 169512), (168, 161440), (192, 141260), (210, 129152), (224, 121080), (240, 113008), (256, 105945), (280, 96864), (320, 84756), (336, 80720), (384, 70630), (420, 64576), (448, 60540), (480, 56504), (560, 48432), (640, 42378), (672, 40360), (768, 35315), (840, 32288), (896, 30270), (960, 28252), (1009, 26880), (1120, 24216), (1280, 21189), (1344, 20180), (1680, 16144), (1792, 15135), (1920, 14126), (2018, 13440), (2240, 12108), (2688, 10090), (3027, 8960), (3360, 8072), (3840, 7063), (4036, 6720), (4480, 6054), (5045, 5376)]