81006480

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{463}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 283077120

約数和(自身を除く): 202070640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 463, 486, 540, 648, 720, 729, 810, 926, 972, 1080, 1215, 1296, 1389, 1458, 1620, 1852, 1944, 2160, 2187, 2315, 2430, 2778, 2916, 3240, 3645, 3704, 3888, 4167, 4374, 4630, 4860, 5556, 5832, 6480, 6945, 7290, 7408, 8334, 8748, 9260, 9720, 10935, 11112, 11664, 12501, 13890, 14580, 16668, 17496, 18520, 19440, 20835, 21870, 22224, 25002, 27780, 29160, 33336, 34992, 37040, 37503, 41670, 43740, 50004, 55560, 58320, 62505, 66672, 75006, 83340, 87480, 100008, 111120, 112509, 125010, 150012, 166680, 174960, 187515, 200016, 225018, 250020, 300024, 333360, 337527, 375030, 450036, 500040, 562545, 600048, 675054, 750060, 900072, 1000080, 1012581, 1125090, 1350108, 1500120, 1687635, 1800144, 2025162, 2250180, 2700216, 3000240, 3375270, 4050324, 4500360, 5062905, 5400432, 6750540, 8100648, 9000720, 10125810, 13501080, 16201296, 20251620, 27002160, 40503240, 81006480]

約数ペア:

[(1, 81006480), (2, 40503240), (3, 27002160), (4, 20251620), (5, 16201296), (6, 13501080), (8, 10125810), (9, 9000720), (10, 8100648), (12, 6750540), (15, 5400432), (16, 5062905), (18, 4500360), (20, 4050324), (24, 3375270), (27, 3000240), (30, 2700216), (36, 2250180), (40, 2025162), (45, 1800144), (48, 1687635), (54, 1500120), (60, 1350108), (72, 1125090), (80, 1012581), (81, 1000080), (90, 900072), (108, 750060), (120, 675054), (135, 600048), (144, 562545), (162, 500040), (180, 450036), (216, 375030), (240, 337527), (243, 333360), (270, 300024), (324, 250020), (360, 225018), (405, 200016), (432, 187515), (463, 174960), (486, 166680), (540, 150012), (648, 125010), (720, 112509), (729, 111120), (810, 100008), (926, 87480), (972, 83340), (1080, 75006), (1215, 66672), (1296, 62505), (1389, 58320), (1458, 55560), (1620, 50004), (1852, 43740), (1944, 41670), (2160, 37503), (2187, 37040), (2315, 34992), (2430, 33336), (2778, 29160), (2916, 27780), (3240, 25002), (3645, 22224), (3704, 21870), (3888, 20835), (4167, 19440), (4374, 18520), (4630, 17496), (4860, 16668), (5556, 14580), (5832, 13890), (6480, 12501), (6945, 11664), (7290, 11112), (7408, 10935), (8334, 9720), (8748, 9260)]