28240320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1322

約数の個数: 112

約数和(自身を含む): 93634560

約数和(自身を除く): 65394240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1279, 1380, 1472, 1840, 2208, 2558, 2760, 3680, 3837, 4416, 5116, 5520, 6395, 7360, 7674, 10232, 11040, 12790, 15348, 19185, 20464, 22080, 25580, 29417, 30696, 38370, 40928, 51160, 58834, 61392, 76740, 81856, 88251, 102320, 117668, 122784, 147085, 153480, 176502, 204640, 235336, 245568, 294170, 306960, 353004, 409280, 441255, 470672, 588340, 613920, 706008, 882510, 941344, 1176680, 1227840, 1412016, 1765020, 1882688, 2353360, 2824032, 3530040, 4706720, 5648064, 7060080, 9413440, 14120160, 28240320]

約数ペア:

[(1, 28240320), (2, 14120160), (3, 9413440), (4, 7060080), (5, 5648064), (6, 4706720), (8, 3530040), (10, 2824032), (12, 2353360), (15, 1882688), (16, 1765020), (20, 1412016), (23, 1227840), (24, 1176680), (30, 941344), (32, 882510), (40, 706008), (46, 613920), (48, 588340), (60, 470672), (64, 441255), (69, 409280), (80, 353004), (92, 306960), (96, 294170), (115, 245568), (120, 235336), (138, 204640), (160, 176502), (184, 153480), (192, 147085), (230, 122784), (240, 117668), (276, 102320), (320, 88251), (345, 81856), (368, 76740), (460, 61392), (480, 58834), (552, 51160), (690, 40928), (736, 38370), (920, 30696), (960, 29417), (1104, 25580), (1279, 22080), (1380, 20464), (1472, 19185), (1840, 15348), (2208, 12790), (2558, 11040), (2760, 10232), (3680, 7674), (3837, 7360), (4416, 6395), (5116, 5520)]