68140072

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 175472640

約数和(自身を除く): 107332568

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 67, 77, 88, 91, 104, 127, 134, 143, 154, 182, 254, 268, 286, 308, 364, 469, 508, 536, 572, 616, 728, 737, 871, 889, 938, 1001, 1016, 1144, 1397, 1474, 1651, 1742, 1778, 1876, 2002, 2794, 2948, 3302, 3484, 3556, 3752, 4004, 5159, 5588, 5896, 6097, 6604, 6968, 7112, 8008, 8509, 9581, 9779, 10318, 11176, 11557, 12194, 13208, 17018, 18161, 19162, 19558, 20636, 23114, 24388, 34036, 36322, 38324, 39116, 41272, 46228, 48776, 59563, 67067, 68072, 72644, 76648, 78232, 92456, 93599, 110617, 119126, 127127, 134134, 145288, 187198, 221234, 238252, 254254, 268268, 374396, 442468, 476504, 508508, 536536, 655193, 748792, 774319, 884936, 1017016, 1216787, 1310386, 1548638, 2433574, 2620772, 3097276, 4867148, 5241544, 6194552, 8517509, 9734296, 17035018, 34070036, 68140072]

約数ペア:

[(1, 68140072), (2, 34070036), (4, 17035018), (7, 9734296), (8, 8517509), (11, 6194552), (13, 5241544), (14, 4867148), (22, 3097276), (26, 2620772), (28, 2433574), (44, 1548638), (52, 1310386), (56, 1216787), (67, 1017016), (77, 884936), (88, 774319), (91, 748792), (104, 655193), (127, 536536), (134, 508508), (143, 476504), (154, 442468), (182, 374396), (254, 268268), (268, 254254), (286, 238252), (308, 221234), (364, 187198), (469, 145288), (508, 134134), (536, 127127), (572, 119126), (616, 110617), (728, 93599), (737, 92456), (871, 78232), (889, 76648), (938, 72644), (1001, 68072), (1016, 67067), (1144, 59563), (1397, 48776), (1474, 46228), (1651, 41272), (1742, 39116), (1778, 38324), (1876, 36322), (2002, 34036), (2794, 24388), (2948, 23114), (3302, 20636), (3484, 19558), (3556, 19162), (3752, 18161), (4004, 17018), (5159, 13208), (5588, 12194), (5896, 11557), (6097, 11176), (6604, 10318), (6968, 9779), (7112, 9581), (8008, 8509)]