128674560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{4787}}^1$

素因数の和:4818

約数の個数: 144

約数和(自身を含む): 469760256

約数和(自身を除く): 341085696

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, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 4787, 5376, 6720, 8960, 9574, 13440, 14361, 19148, 23935, 26880, 28722, 33509, 38296, 47870, 57444, 67018, 71805, 76592, 95740, 100527, 114888, 134036, 143610, 153184, 167545, 191480, 201054, 229776, 268072, 287220, 306368, 335090, 382960, 402108, 459552, 502635, 536144, 574440, 612736, 670180, 765920, 804216, 919104, 1005270, 1072288, 1148880, 1225472, 1340360, 1531840, 1608432, 1838208, 2010540, 2144576, 2297760, 2680720, 3063680, 3216864, 3676416, 4021080, 4289152, 4595520, 5361440, 6127360, 6433728, 8042160, 8578304, 9191040, 10722880, 12867456, 16084320, 18382080, 21445760, 25734912, 32168640, 42891520, 64337280, 128674560]

約数ペア:

[(1, 128674560), (2, 64337280), (3, 42891520), (4, 32168640), (5, 25734912), (6, 21445760), (7, 18382080), (8, 16084320), (10, 12867456), (12, 10722880), (14, 9191040), (15, 8578304), (16, 8042160), (20, 6433728), (21, 6127360), (24, 5361440), (28, 4595520), (30, 4289152), (32, 4021080), (35, 3676416), (40, 3216864), (42, 3063680), (48, 2680720), (56, 2297760), (60, 2144576), (64, 2010540), (70, 1838208), (80, 1608432), (84, 1531840), (96, 1340360), (105, 1225472), (112, 1148880), (120, 1072288), (128, 1005270), (140, 919104), (160, 804216), (168, 765920), (192, 670180), (210, 612736), (224, 574440), (240, 536144), (256, 502635), (280, 459552), (320, 402108), (336, 382960), (384, 335090), (420, 306368), (448, 287220), (480, 268072), (560, 229776), (640, 201054), (672, 191480), (768, 167545), (840, 153184), (896, 143610), (960, 134036), (1120, 114888), (1280, 100527), (1344, 95740), (1680, 76592), (1792, 71805), (1920, 67018), (2240, 57444), (2688, 47870), (3360, 38296), (3840, 33509), (4480, 28722), (4787, 26880), (5376, 23935), (6720, 19148), (8960, 14361), (9574, 13440)]