81783072

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 187111008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 113, 126, 144, 168, 224, 226, 252, 288, 336, 339, 359, 452, 504, 672, 678, 718, 791, 904, 1008, 1017, 1077, 1356, 1436, 1582, 1808, 2016, 2034, 2154, 2373, 2513, 2712, 2872, 3164, 3231, 3616, 4068, 4308, 4746, 5026, 5424, 5744, 6328, 6462, 7119, 7539, 8136, 8616, 9492, 10052, 10848, 11488, 12656, 12924, 14238, 15078, 16272, 17232, 18984, 20104, 22617, 25312, 25848, 28476, 30156, 32544, 34464, 37968, 40208, 40567, 45234, 51696, 56952, 60312, 75936, 80416, 81134, 90468, 103392, 113904, 120624, 121701, 162268, 180936, 227808, 241248, 243402, 283969, 324536, 361872, 365103, 486804, 567938, 649072, 723744, 730206, 851907, 973608, 1135876, 1298144, 1460412, 1703814, 1947216, 2271752, 2555721, 2920824, 3407628, 3894432, 4543504, 5111442, 5841648, 6815256, 9087008, 10222884, 11683296, 13630512, 20445768, 27261024, 40891536, 81783072]

約数ペア:

[(1, 81783072), (2, 40891536), (3, 27261024), (4, 20445768), (6, 13630512), (7, 11683296), (8, 10222884), (9, 9087008), (12, 6815256), (14, 5841648), (16, 5111442), (18, 4543504), (21, 3894432), (24, 3407628), (28, 2920824), (32, 2555721), (36, 2271752), (42, 1947216), (48, 1703814), (56, 1460412), (63, 1298144), (72, 1135876), (84, 973608), (96, 851907), (112, 730206), (113, 723744), (126, 649072), (144, 567938), (168, 486804), (224, 365103), (226, 361872), (252, 324536), (288, 283969), (336, 243402), (339, 241248), (359, 227808), (452, 180936), (504, 162268), (672, 121701), (678, 120624), (718, 113904), (791, 103392), (904, 90468), (1008, 81134), (1017, 80416), (1077, 75936), (1356, 60312), (1436, 56952), (1582, 51696), (1808, 45234), (2016, 40567), (2034, 40208), (2154, 37968), (2373, 34464), (2513, 32544), (2712, 30156), (2872, 28476), (3164, 25848), (3231, 25312), (3616, 22617), (4068, 20104), (4308, 18984), (4746, 17232), (5026, 16272), (5424, 15078), (5744, 14238), (6328, 12924), (6462, 12656), (7119, 11488), (7539, 10848), (8136, 10052), (8616, 9492)]