1378594560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{51287}}^1$

素因数の和:51318

約数の個数: 144

約数和(自身を含む): 5031968256

約数和(自身を除く): 3653373696

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, 5376, 6720, 8960, 13440, 26880, 51287, 102574, 153861, 205148, 256435, 307722, 359009, 410296, 512870, 615444, 718018, 769305, 820592, 1025740, 1077027, 1230888, 1436036, 1538610, 1641184, 1795045, 2051480, 2154054, 2461776, 2872072, 3077220, 3282368, 3590090, 4102960, 4308108, 4923552, 5385135, 5744144, 6154440, 6564736, 7180180, 8205920, 8616216, 9847104, 10770270, 11488288, 12308880, 13129472, 14360360, 16411840, 17232432, 19694208, 21540540, 22976576, 24617760, 28720720, 32823680, 34464864, 39388416, 43081080, 45953152, 49235520, 57441440, 65647360, 68929728, 86162160, 91906304, 98471040, 114882880, 137859456, 172324320, 196942080, 229765760, 275718912, 344648640, 459531520, 689297280, 1378594560]

約数ペア:

[(1, 1378594560), (2, 689297280), (3, 459531520), (4, 344648640), (5, 275718912), (6, 229765760), (7, 196942080), (8, 172324320), (10, 137859456), (12, 114882880), (14, 98471040), (15, 91906304), (16, 86162160), (20, 68929728), (21, 65647360), (24, 57441440), (28, 49235520), (30, 45953152), (32, 43081080), (35, 39388416), (40, 34464864), (42, 32823680), (48, 28720720), (56, 24617760), (60, 22976576), (64, 21540540), (70, 19694208), (80, 17232432), (84, 16411840), (96, 14360360), (105, 13129472), (112, 12308880), (120, 11488288), (128, 10770270), (140, 9847104), (160, 8616216), (168, 8205920), (192, 7180180), (210, 6564736), (224, 6154440), (240, 5744144), (256, 5385135), (280, 4923552), (320, 4308108), (336, 4102960), (384, 3590090), (420, 3282368), (448, 3077220), (480, 2872072), (560, 2461776), (640, 2154054), (672, 2051480), (768, 1795045), (840, 1641184), (896, 1538610), (960, 1436036), (1120, 1230888), (1280, 1077027), (1344, 1025740), (1680, 820592), (1792, 769305), (1920, 718018), (2240, 615444), (2688, 512870), (3360, 410296), (3840, 359009), (4480, 307722), (5376, 256435), (6720, 205148), (8960, 153861), (13440, 102574), (26880, 51287)]