80280018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 240226560

約数和(自身を除く): 159946542

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 31, 34, 39, 42, 51, 54, 62, 63, 78, 91, 93, 102, 117, 119, 126, 153, 182, 186, 189, 217, 221, 234, 238, 273, 279, 306, 351, 357, 378, 403, 434, 442, 459, 527, 546, 558, 651, 663, 702, 714, 806, 819, 837, 918, 961, 1054, 1071, 1209, 1302, 1326, 1547, 1581, 1638, 1674, 1922, 1953, 1989, 2142, 2418, 2457, 2821, 2883, 3094, 3162, 3213, 3627, 3689, 3906, 3978, 4641, 4743, 4914, 5642, 5766, 5859, 5967, 6426, 6727, 6851, 7254, 7378, 8463, 8649, 9282, 9486, 10881, 11067, 11718, 11934, 12493, 13454, 13702, 13923, 14229, 16337, 16926, 17298, 20181, 20553, 21762, 22134, 24986, 25389, 25947, 27846, 28458, 32674, 33201, 37479, 40362, 41106, 41769, 47957, 49011, 50778, 51894, 60543, 61659, 66402, 74958, 76167, 83538, 87451, 95914, 98022, 99603, 112437, 114359, 121086, 123318, 143871, 147033, 152334, 174902, 181629, 184977, 199206, 212381, 224874, 228718, 262353, 287742, 294066, 337311, 343077, 363258, 369954, 424762, 431613, 441099, 524706, 637143, 674622, 686154, 787059, 863226, 882198, 1029231, 1274286, 1294839, 1486667, 1574118, 1911429, 2058462, 2361177, 2589678, 2973334, 3087693, 3822858, 4460001, 4722354, 5734287, 6175386, 8920002, 11468574, 13380003, 26760006, 40140009, 80280018]

約数ペア:

[(1, 80280018), (2, 40140009), (3, 26760006), (6, 13380003), (7, 11468574), (9, 8920002), (13, 6175386), (14, 5734287), (17, 4722354), (18, 4460001), (21, 3822858), (26, 3087693), (27, 2973334), (31, 2589678), (34, 2361177), (39, 2058462), (42, 1911429), (51, 1574118), (54, 1486667), (62, 1294839), (63, 1274286), (78, 1029231), (91, 882198), (93, 863226), (102, 787059), (117, 686154), (119, 674622), (126, 637143), (153, 524706), (182, 441099), (186, 431613), (189, 424762), (217, 369954), (221, 363258), (234, 343077), (238, 337311), (273, 294066), (279, 287742), (306, 262353), (351, 228718), (357, 224874), (378, 212381), (403, 199206), (434, 184977), (442, 181629), (459, 174902), (527, 152334), (546, 147033), (558, 143871), (651, 123318), (663, 121086), (702, 114359), (714, 112437), (806, 99603), (819, 98022), (837, 95914), (918, 87451), (961, 83538), (1054, 76167), (1071, 74958), (1209, 66402), (1302, 61659), (1326, 60543), (1547, 51894), (1581, 50778), (1638, 49011), (1674, 47957), (1922, 41769), (1953, 41106), (1989, 40362), (2142, 37479), (2418, 33201), (2457, 32674), (2821, 28458), (2883, 27846), (3094, 25947), (3162, 25389), (3213, 24986), (3627, 22134), (3689, 21762), (3906, 20553), (3978, 20181), (4641, 17298), (4743, 16926), (4914, 16337), (5642, 14229), (5766, 13923), (5859, 13702), (5967, 13454), (6426, 12493), (6727, 11934), (6851, 11718), (7254, 11067), (7378, 10881), (8463, 9486), (8649, 9282)]