28049280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{2087}}^1$

素因数の和:2116

約数の個数: 128

約数和(自身を含む): 102228480

約数和(自身を除く): 74179200

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2087, 2240, 2688, 3360, 4174, 4480, 6261, 6720, 8348, 10435, 12522, 13440, 14609, 16696, 20870, 25044, 29218, 31305, 33392, 41740, 43827, 50088, 58436, 62610, 66784, 73045, 83480, 87654, 100176, 116872, 125220, 133568, 146090, 166960, 175308, 200352, 219135, 233744, 250440, 267136, 292180, 333920, 350616, 400704, 438270, 467488, 500880, 584360, 667840, 701232, 801408, 876540, 934976, 1001760, 1168720, 1335680, 1402464, 1753080, 1869952, 2003520, 2337440, 2804928, 3506160, 4007040, 4674880, 5609856, 7012320, 9349760, 14024640, 28049280]

約数ペア:

[(1, 28049280), (2, 14024640), (3, 9349760), (4, 7012320), (5, 5609856), (6, 4674880), (7, 4007040), (8, 3506160), (10, 2804928), (12, 2337440), (14, 2003520), (15, 1869952), (16, 1753080), (20, 1402464), (21, 1335680), (24, 1168720), (28, 1001760), (30, 934976), (32, 876540), (35, 801408), (40, 701232), (42, 667840), (48, 584360), (56, 500880), (60, 467488), (64, 438270), (70, 400704), (80, 350616), (84, 333920), (96, 292180), (105, 267136), (112, 250440), (120, 233744), (128, 219135), (140, 200352), (160, 175308), (168, 166960), (192, 146090), (210, 133568), (224, 125220), (240, 116872), (280, 100176), (320, 87654), (336, 83480), (384, 73045), (420, 66784), (448, 62610), (480, 58436), (560, 50088), (640, 43827), (672, 41740), (840, 33392), (896, 31305), (960, 29218), (1120, 25044), (1344, 20870), (1680, 16696), (1920, 14609), (2087, 13440), (2240, 12522), (2688, 10435), (3360, 8348), (4174, 6720), (4480, 6261)]