68340272

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 188987904

約数和(自身を除く): 120647632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 112, 119, 136, 143, 154, 176, 182, 187, 208, 221, 238, 251, 272, 286, 308, 364, 374, 442, 476, 502, 572, 616, 728, 748, 884, 952, 1001, 1004, 1144, 1232, 1309, 1456, 1496, 1547, 1757, 1768, 1904, 2002, 2008, 2288, 2431, 2618, 2761, 2992, 3094, 3263, 3514, 3536, 4004, 4016, 4267, 4862, 5236, 5522, 6188, 6526, 7028, 8008, 8534, 9724, 10472, 11044, 12376, 13052, 14056, 16016, 17017, 17068, 19327, 19448, 20944, 22088, 22841, 24752, 26104, 28112, 29869, 34034, 34136, 35893, 38654, 38896, 44176, 45682, 46937, 52208, 55471, 59738, 68068, 68272, 71786, 77308, 91364, 93874, 110942, 119476, 136136, 143572, 154616, 182728, 187748, 221884, 238952, 251251, 272272, 287144, 309232, 328559, 365456, 375496, 388297, 443768, 477904, 502502, 574288, 610181, 657118, 750992, 776594, 887536, 1005004, 1220362, 1314236, 1553188, 2010008, 2440724, 2628472, 3106376, 4020016, 4271267, 4881448, 5256944, 6212752, 8542534, 9762896, 17085068, 34170136, 68340272]

約数ペア:

[(1, 68340272), (2, 34170136), (4, 17085068), (7, 9762896), (8, 8542534), (11, 6212752), (13, 5256944), (14, 4881448), (16, 4271267), (17, 4020016), (22, 3106376), (26, 2628472), (28, 2440724), (34, 2010008), (44, 1553188), (52, 1314236), (56, 1220362), (68, 1005004), (77, 887536), (88, 776594), (91, 750992), (104, 657118), (112, 610181), (119, 574288), (136, 502502), (143, 477904), (154, 443768), (176, 388297), (182, 375496), (187, 365456), (208, 328559), (221, 309232), (238, 287144), (251, 272272), (272, 251251), (286, 238952), (308, 221884), (364, 187748), (374, 182728), (442, 154616), (476, 143572), (502, 136136), (572, 119476), (616, 110942), (728, 93874), (748, 91364), (884, 77308), (952, 71786), (1001, 68272), (1004, 68068), (1144, 59738), (1232, 55471), (1309, 52208), (1456, 46937), (1496, 45682), (1547, 44176), (1757, 38896), (1768, 38654), (1904, 35893), (2002, 34136), (2008, 34034), (2288, 29869), (2431, 28112), (2618, 26104), (2761, 24752), (2992, 22841), (3094, 22088), (3263, 20944), (3514, 19448), (3536, 19327), (4004, 17068), (4016, 17017), (4267, 16016), (4862, 14056), (5236, 13052), (5522, 12376), (6188, 11044), (6526, 10472), (7028, 9724), (8008, 8534)]