81642876.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 160

約数和(自身を含む): 356227200

約数和(自身を除く): 250831920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 240, 285, 290, 304, 348, 380, 435, 456, 464, 551, 570, 580, 696, 760, 797, 870, 912, 1102, 1140, 1160, 1392, 1520, 1594, 1653, 1740, 2204, 2280, 2320, 2391, 2755, 3188, 3306, 3480, 3985, 4408, 4560, 4782, 5510, 6376, 6612, 6960, 7970, 8265, 8816, 9564, 11020, 11955, 12752, 13224, 15143, 15940, 16530, 19128, 22040, 23113, 23910, 26448, 30286, 31880, 33060, 38256, 44080, 45429, 46226, 47820, 60572, 63760, 66120, 69339, 75715, 90858, 92452, 95640, 115565, 121144, 132240, 138678, 151430, 181716, 184904, 191280, 227145, 231130, 242288, 277356, 302860, 346695, 363432, 369808, 439147, 454290, 462260, 554712, 605720, 693390, 726864, 878294, 908580, 924520, 1109424, 1211440, 1317441, 1386780, 1756588, 1817160, 1849040, 2195735, 2634882, 2773560, 3513176, 3634320, 4391470, 5269764, 5547120, 6587205, 7026352, 8782940, 10539528, 13174410, 17565880, 21079056, 26348820, 35131760, 52697640, 105395280]

約数ペア:

[(1, 105395280), (2, 52697640), (3, 35131760), (4, 26348820), (5, 21079056), (6, 17565880), (8, 13174410), (10, 10539528), (12, 8782940), (15, 7026352), (16, 6587205), (19, 5547120), (20, 5269764), (24, 4391470), (29, 3634320), (30, 3513176), (38, 2773560), (40, 2634882), (48, 2195735), (57, 1849040), (58, 1817160), (60, 1756588), (76, 1386780), (80, 1317441), (87, 1211440), (95, 1109424), (114, 924520), (116, 908580), (120, 878294), (145, 726864), (152, 693390), (174, 605720), (190, 554712), (228, 462260), (232, 454290), (240, 439147), (285, 369808), (290, 363432), (304, 346695), (348, 302860), (380, 277356), (435, 242288), (456, 231130), (464, 227145), (551, 191280), (570, 184904), (580, 181716), (696, 151430), (760, 138678), (797, 132240), (870, 121144), (912, 115565), (1102, 95640), (1140, 92452), (1160, 90858), (1392, 75715), (1520, 69339), (1594, 66120), (1653, 63760), (1740, 60572), (2204, 47820), (2280, 46226), (2320, 45429), (2391, 44080), (2755, 38256), (3188, 33060), (3306, 31880), (3480, 30286), (3985, 26448), (4408, 23910), (4560, 23113), (4782, 22040), (5510, 19128), (6376, 16530), (6612, 15940), (6960, 15143), (7970, 13224), (8265, 12752), (8816, 11955), (9564, 11020)]