644404320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{63929}}^1$

素因数の和:63957

約数の個数: 144

約数和(自身を含む): 2513216160

約数和(自身を除く): 1868811840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 63929, 127858, 191787, 255716, 319645, 383574, 447503, 511432, 575361, 639290, 767148, 895006, 958935, 1022864, 1150722, 1278580, 1342509, 1534296, 1790012, 1917870, 2045728, 2237515, 2301444, 2557160, 2685018, 2876805, 3068592, 3580024, 3835740, 4027527, 4475030, 4602888, 5114320, 5370036, 5753610, 6137184, 6712545, 7160048, 7671480, 8055054, 8950060, 9205776, 10228640, 10740072, 11507220, 13425090, 14320096, 15342960, 16110108, 17900120, 18411552, 20137635, 21480144, 23014440, 26850180, 30685920, 32220216, 35800240, 40275270, 42960288, 46028880, 53700360, 64440432, 71600480, 80550540, 92057760, 107400720, 128880864, 161101080, 214801440, 322202160, 644404320]

約数ペア:

[(1, 644404320), (2, 322202160), (3, 214801440), (4, 161101080), (5, 128880864), (6, 107400720), (7, 92057760), (8, 80550540), (9, 71600480), (10, 64440432), (12, 53700360), (14, 46028880), (15, 42960288), (16, 40275270), (18, 35800240), (20, 32220216), (21, 30685920), (24, 26850180), (28, 23014440), (30, 21480144), (32, 20137635), (35, 18411552), (36, 17900120), (40, 16110108), (42, 15342960), (45, 14320096), (48, 13425090), (56, 11507220), (60, 10740072), (63, 10228640), (70, 9205776), (72, 8950060), (80, 8055054), (84, 7671480), (90, 7160048), (96, 6712545), (105, 6137184), (112, 5753610), (120, 5370036), (126, 5114320), (140, 4602888), (144, 4475030), (160, 4027527), (168, 3835740), (180, 3580024), (210, 3068592), (224, 2876805), (240, 2685018), (252, 2557160), (280, 2301444), (288, 2237515), (315, 2045728), (336, 1917870), (360, 1790012), (420, 1534296), (480, 1342509), (504, 1278580), (560, 1150722), (630, 1022864), (672, 958935), (720, 895006), (840, 767148), (1008, 639290), (1120, 575361), (1260, 511432), (1440, 447503), (1680, 383574), (2016, 319645), (2520, 255716), (3360, 191787), (5040, 127858), (10080, 63929)]