68981808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 209778240

約数和(自身を除く): 140796432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 139, 147, 168, 196, 211, 278, 294, 336, 392, 417, 422, 556, 588, 633, 784, 834, 844, 973, 1112, 1176, 1266, 1477, 1668, 1688, 1946, 2224, 2352, 2532, 2919, 2954, 3336, 3376, 3892, 4431, 5064, 5838, 5908, 6672, 6811, 7784, 8862, 10128, 10339, 11676, 11816, 13622, 15568, 17724, 20433, 20678, 23352, 23632, 27244, 29329, 31017, 35448, 40866, 41356, 46704, 54488, 58658, 62034, 70896, 81732, 82712, 87987, 108976, 117316, 124068, 163464, 165424, 175974, 205303, 234632, 248136, 326928, 351948, 410606, 469264, 496272, 615909, 703896, 821212, 1231818, 1407792, 1437121, 1642424, 2463636, 2874242, 3284848, 4311363, 4927272, 5748484, 8622726, 9854544, 11496968, 17245452, 22993936, 34490904, 68981808]

約数ペア:

[(1, 68981808), (2, 34490904), (3, 22993936), (4, 17245452), (6, 11496968), (7, 9854544), (8, 8622726), (12, 5748484), (14, 4927272), (16, 4311363), (21, 3284848), (24, 2874242), (28, 2463636), (42, 1642424), (48, 1437121), (49, 1407792), (56, 1231818), (84, 821212), (98, 703896), (112, 615909), (139, 496272), (147, 469264), (168, 410606), (196, 351948), (211, 326928), (278, 248136), (294, 234632), (336, 205303), (392, 175974), (417, 165424), (422, 163464), (556, 124068), (588, 117316), (633, 108976), (784, 87987), (834, 82712), (844, 81732), (973, 70896), (1112, 62034), (1176, 58658), (1266, 54488), (1477, 46704), (1668, 41356), (1688, 40866), (1946, 35448), (2224, 31017), (2352, 29329), (2532, 27244), (2919, 23632), (2954, 23352), (3336, 20678), (3376, 20433), (3892, 17724), (4431, 15568), (5064, 13622), (5838, 11816), (5908, 11676), (6672, 10339), (6811, 10128), (7784, 8862)]