81726372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 271776960

約数和(自身を除く): 190050588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 101, 114, 117, 126, 133, 156, 169, 171, 182, 202, 228, 234, 247, 252, 266, 273, 303, 338, 342, 364, 399, 404, 468, 494, 507, 532, 546, 606, 676, 684, 707, 741, 798, 819, 909, 988, 1014, 1092, 1183, 1197, 1212, 1313, 1414, 1482, 1521, 1596, 1638, 1729, 1818, 1919, 2028, 2121, 2223, 2366, 2394, 2626, 2828, 2964, 3042, 3211, 3276, 3458, 3549, 3636, 3838, 3939, 4242, 4446, 4732, 4788, 5187, 5252, 5757, 6084, 6363, 6422, 6916, 7098, 7676, 7878, 8484, 8892, 9191, 9633, 10374, 10647, 11514, 11817, 12726, 12844, 13433, 14196, 15561, 15756, 17069, 17271, 18382, 19266, 20748, 21294, 22477, 23028, 23634, 24947, 25452, 26866, 27573, 28899, 31122, 34138, 34542, 36764, 38532, 40299, 42588, 44954, 47268, 49894, 51207, 53732, 55146, 57798, 62244, 67431, 68276, 69084, 74841, 80598, 82719, 89908, 99788, 102414, 110292, 115596, 119483, 120897, 134862, 149682, 153621, 161196, 165438, 174629, 202293, 204828, 224523, 238966, 241794, 269724, 299364, 307242, 324311, 330876, 349258, 358449, 404586, 449046, 477932, 483588, 523887, 614484, 648622, 698516, 716898, 809172, 898092, 972933, 1047774, 1075347, 1297244, 1433796, 1571661, 1945866, 2095548, 2150694, 2270177, 2918799, 3143322, 3891732, 4301388, 4540354, 5837598, 6286644, 6810531, 9080708, 11675196, 13621062, 20431593, 27242124, 40863186, 81726372]

約数ペア:

[(1, 81726372), (2, 40863186), (3, 27242124), (4, 20431593), (6, 13621062), (7, 11675196), (9, 9080708), (12, 6810531), (13, 6286644), (14, 5837598), (18, 4540354), (19, 4301388), (21, 3891732), (26, 3143322), (28, 2918799), (36, 2270177), (38, 2150694), (39, 2095548), (42, 1945866), (52, 1571661), (57, 1433796), (63, 1297244), (76, 1075347), (78, 1047774), (84, 972933), (91, 898092), (101, 809172), (114, 716898), (117, 698516), (126, 648622), (133, 614484), (156, 523887), (169, 483588), (171, 477932), (182, 449046), (202, 404586), (228, 358449), (234, 349258), (247, 330876), (252, 324311), (266, 307242), (273, 299364), (303, 269724), (338, 241794), (342, 238966), (364, 224523), (399, 204828), (404, 202293), (468, 174629), (494, 165438), (507, 161196), (532, 153621), (546, 149682), (606, 134862), (676, 120897), (684, 119483), (707, 115596), (741, 110292), (798, 102414), (819, 99788), (909, 89908), (988, 82719), (1014, 80598), (1092, 74841), (1183, 69084), (1197, 68276), (1212, 67431), (1313, 62244), (1414, 57798), (1482, 55146), (1521, 53732), (1596, 51207), (1638, 49894), (1729, 47268), (1818, 44954), (1919, 42588), (2028, 40299), (2121, 38532), (2223, 36764), (2366, 34542), (2394, 34138), (2626, 31122), (2828, 28899), (2964, 27573), (3042, 26866), (3211, 25452), (3276, 24947), (3458, 23634), (3549, 23028), (3636, 22477), (3838, 21294), (3939, 20748), (4242, 19266), (4446, 18382), (4732, 17271), (4788, 17069), (5187, 15756), (5252, 15561), (5757, 14196), (6084, 13433), (6363, 12844), (6422, 12726), (6916, 11817), (7098, 11514), (7676, 10647), (7878, 10374), (8484, 9633), (8892, 9191)]