820487520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4159}}^1$

素因数の和:4317

約数の個数: 144

約数和(自身を含む): 2821029120

約数和(自身を除く): 2000541600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 274, 288, 360, 411, 480, 548, 685, 720, 822, 1096, 1233, 1370, 1440, 1644, 2055, 2192, 2466, 2740, 3288, 4110, 4159, 4384, 4932, 5480, 6165, 6576, 8220, 8318, 9864, 10960, 12330, 12477, 13152, 16440, 16636, 19728, 20795, 21920, 24660, 24954, 32880, 33272, 37431, 39456, 41590, 49320, 49908, 62385, 65760, 66544, 74862, 83180, 98640, 99816, 124770, 133088, 149724, 166360, 187155, 197280, 199632, 249540, 299448, 332720, 374310, 399264, 499080, 569783, 598896, 665440, 748620, 998160, 1139566, 1197792, 1497240, 1709349, 1996320, 2279132, 2848915, 2994480, 3418698, 4558264, 5128047, 5697830, 5988960, 6837396, 8546745, 9116528, 10256094, 11395660, 13674792, 17093490, 18233056, 20512188, 22791320, 25640235, 27349584, 34186980, 41024376, 45582640, 51280470, 54699168, 68373960, 82048752, 91165280, 102560940, 136747920, 164097504, 205121880, 273495840, 410243760, 820487520]

約数ペア:

[(1, 820487520), (2, 410243760), (3, 273495840), (4, 205121880), (5, 164097504), (6, 136747920), (8, 102560940), (9, 91165280), (10, 82048752), (12, 68373960), (15, 54699168), (16, 51280470), (18, 45582640), (20, 41024376), (24, 34186980), (30, 27349584), (32, 25640235), (36, 22791320), (40, 20512188), (45, 18233056), (48, 17093490), (60, 13674792), (72, 11395660), (80, 10256094), (90, 9116528), (96, 8546745), (120, 6837396), (137, 5988960), (144, 5697830), (160, 5128047), (180, 4558264), (240, 3418698), (274, 2994480), (288, 2848915), (360, 2279132), (411, 1996320), (480, 1709349), (548, 1497240), (685, 1197792), (720, 1139566), (822, 998160), (1096, 748620), (1233, 665440), (1370, 598896), (1440, 569783), (1644, 499080), (2055, 399264), (2192, 374310), (2466, 332720), (2740, 299448), (3288, 249540), (4110, 199632), (4159, 197280), (4384, 187155), (4932, 166360), (5480, 149724), (6165, 133088), (6576, 124770), (8220, 99816), (8318, 98640), (9864, 83180), (10960, 74862), (12330, 66544), (12477, 65760), (13152, 62385), (16440, 49908), (16636, 49320), (19728, 41590), (20795, 39456), (21920, 37431), (24660, 33272), (24954, 32880)]