90871452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19015

約数の個数: 72

約数和(自身を含む): 276348800

約数和(自身を除く): 185477348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 18979, 37958, 56937, 75916, 113874, 132853, 170811, 227748, 265706, 341622, 360601, 398559, 531412, 683244, 721202, 797118, 1081803, 1195677, 1442404, 1594236, 2163606, 2391354, 2524207, 3245409, 4327212, 4782708, 5048414, 6490818, 7572621, 10096828, 12981636, 15145242, 22717863, 30290484, 45435726, 90871452]

約数ペア:

[(1, 90871452), (2, 45435726), (3, 30290484), (4, 22717863), (6, 15145242), (7, 12981636), (9, 10096828), (12, 7572621), (14, 6490818), (18, 5048414), (19, 4782708), (21, 4327212), (28, 3245409), (36, 2524207), (38, 2391354), (42, 2163606), (57, 1594236), (63, 1442404), (76, 1195677), (84, 1081803), (114, 797118), (126, 721202), (133, 683244), (171, 531412), (228, 398559), (252, 360601), (266, 341622), (342, 265706), (399, 227748), (532, 170811), (684, 132853), (798, 113874), (1197, 75916), (1596, 56937), (2394, 37958), (4788, 18979)]