81141984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3659}}^1$

素因数の和:3693

約数の個数: 144

約数和(自身を含む): 287763840

約数和(自身を除く): 206621856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 96, 99, 112, 126, 132, 144, 154, 168, 176, 198, 224, 231, 252, 264, 288, 308, 336, 352, 396, 462, 504, 528, 616, 672, 693, 792, 924, 1008, 1056, 1232, 1386, 1584, 1848, 2016, 2464, 2772, 3168, 3659, 3696, 5544, 7318, 7392, 10977, 11088, 14636, 21954, 22176, 25613, 29272, 32931, 40249, 43908, 51226, 58544, 65862, 76839, 80498, 87816, 102452, 117088, 120747, 131724, 153678, 160996, 175632, 204904, 230517, 241494, 263448, 281743, 307356, 321992, 351264, 362241, 409808, 461034, 482988, 526896, 563486, 614712, 643984, 724482, 819616, 845229, 922068, 965976, 1053792, 1126972, 1229424, 1287968, 1448964, 1690458, 1844136, 1931952, 2253944, 2458848, 2535687, 2897928, 3380916, 3688272, 3863904, 4507888, 5071374, 5795856, 6761832, 7376544, 9015776, 10142748, 11591712, 13523664, 20285496, 27047328, 40570992, 81141984]

約数ペア:

[(1, 81141984), (2, 40570992), (3, 27047328), (4, 20285496), (6, 13523664), (7, 11591712), (8, 10142748), (9, 9015776), (11, 7376544), (12, 6761832), (14, 5795856), (16, 5071374), (18, 4507888), (21, 3863904), (22, 3688272), (24, 3380916), (28, 2897928), (32, 2535687), (33, 2458848), (36, 2253944), (42, 1931952), (44, 1844136), (48, 1690458), (56, 1448964), (63, 1287968), (66, 1229424), (72, 1126972), (77, 1053792), (84, 965976), (88, 922068), (96, 845229), (99, 819616), (112, 724482), (126, 643984), (132, 614712), (144, 563486), (154, 526896), (168, 482988), (176, 461034), (198, 409808), (224, 362241), (231, 351264), (252, 321992), (264, 307356), (288, 281743), (308, 263448), (336, 241494), (352, 230517), (396, 204904), (462, 175632), (504, 160996), (528, 153678), (616, 131724), (672, 120747), (693, 117088), (792, 102452), (924, 87816), (1008, 80498), (1056, 76839), (1232, 65862), (1386, 58544), (1584, 51226), (1848, 43908), (2016, 40249), (2464, 32931), (2772, 29272), (3168, 25613), (3659, 22176), (3696, 21954), (5544, 14636), (7318, 11088), (7392, 10977)]