128668722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 339763200

約数和(自身を除く): 211094478

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 79, 91, 114, 133, 157, 158, 182, 237, 247, 266, 273, 314, 399, 471, 474, 494, 546, 553, 741, 798, 942, 1027, 1099, 1106, 1482, 1501, 1659, 1729, 2041, 2054, 2198, 2983, 3002, 3081, 3297, 3318, 3458, 4082, 4503, 5187, 5966, 6123, 6162, 6594, 7189, 8949, 9006, 10374, 10507, 12246, 12403, 14287, 14378, 17898, 19513, 20881, 21014, 21567, 24806, 28574, 31521, 37209, 38779, 39026, 41762, 42861, 43134, 58539, 62643, 63042, 74418, 77558, 85722, 86821, 116337, 117078, 125286, 136591, 161239, 173642, 232674, 235657, 260463, 271453, 273182, 322478, 409773, 471314, 483717, 520926, 542906, 706971, 814359, 819546, 967434, 1128673, 1413942, 1628718, 1649599, 2257346, 3063541, 3299198, 3386019, 4948797, 6127082, 6772038, 9190623, 9897594, 18381246, 21444787, 42889574, 64334361, 128668722]

約数ペア:

[(1, 128668722), (2, 64334361), (3, 42889574), (6, 21444787), (7, 18381246), (13, 9897594), (14, 9190623), (19, 6772038), (21, 6127082), (26, 4948797), (38, 3386019), (39, 3299198), (42, 3063541), (57, 2257346), (78, 1649599), (79, 1628718), (91, 1413942), (114, 1128673), (133, 967434), (157, 819546), (158, 814359), (182, 706971), (237, 542906), (247, 520926), (266, 483717), (273, 471314), (314, 409773), (399, 322478), (471, 273182), (474, 271453), (494, 260463), (546, 235657), (553, 232674), (741, 173642), (798, 161239), (942, 136591), (1027, 125286), (1099, 117078), (1106, 116337), (1482, 86821), (1501, 85722), (1659, 77558), (1729, 74418), (2041, 63042), (2054, 62643), (2198, 58539), (2983, 43134), (3002, 42861), (3081, 41762), (3297, 39026), (3318, 38779), (3458, 37209), (4082, 31521), (4503, 28574), (5187, 24806), (5966, 21567), (6123, 21014), (6162, 20881), (6594, 19513), (7189, 17898), (8949, 14378), (9006, 14287), (10374, 12403), (10507, 12246)]