66885984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 212756544

約数和(自身を除く): 145870560

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 43, 44, 48, 66, 72, 86, 88, 96, 99, 129, 132, 144, 172, 176, 198, 258, 264, 288, 344, 352, 387, 396, 473, 491, 516, 528, 688, 774, 792, 946, 982, 1032, 1056, 1376, 1419, 1473, 1548, 1584, 1892, 1964, 2064, 2838, 2946, 3096, 3168, 3784, 3928, 4128, 4257, 4419, 5401, 5676, 5892, 6192, 7568, 7856, 8514, 8838, 10802, 11352, 11784, 12384, 15136, 15712, 16203, 17028, 17676, 21113, 21604, 22704, 23568, 32406, 34056, 35352, 42226, 43208, 45408, 47136, 48609, 63339, 64812, 68112, 70704, 84452, 86416, 97218, 126678, 129624, 136224, 141408, 168904, 172832, 190017, 194436, 232243, 253356, 259248, 337808, 380034, 388872, 464486, 506712, 518496, 675616, 696729, 760068, 777744, 928972, 1013424, 1393458, 1520136, 1555488, 1857944, 2026848, 2090187, 2786916, 3040272, 3715888, 4180374, 5573832, 6080544, 7431776, 8360748, 11147664, 16721496, 22295328, 33442992, 66885984]

約数ペア:

[(1, 66885984), (2, 33442992), (3, 22295328), (4, 16721496), (6, 11147664), (8, 8360748), (9, 7431776), (11, 6080544), (12, 5573832), (16, 4180374), (18, 3715888), (22, 3040272), (24, 2786916), (32, 2090187), (33, 2026848), (36, 1857944), (43, 1555488), (44, 1520136), (48, 1393458), (66, 1013424), (72, 928972), (86, 777744), (88, 760068), (96, 696729), (99, 675616), (129, 518496), (132, 506712), (144, 464486), (172, 388872), (176, 380034), (198, 337808), (258, 259248), (264, 253356), (288, 232243), (344, 194436), (352, 190017), (387, 172832), (396, 168904), (473, 141408), (491, 136224), (516, 129624), (528, 126678), (688, 97218), (774, 86416), (792, 84452), (946, 70704), (982, 68112), (1032, 64812), (1056, 63339), (1376, 48609), (1419, 47136), (1473, 45408), (1548, 43208), (1584, 42226), (1892, 35352), (1964, 34056), (2064, 32406), (2838, 23568), (2946, 22704), (3096, 21604), (3168, 21113), (3784, 17676), (3928, 17028), (4128, 16203), (4257, 15712), (4419, 15136), (5401, 12384), (5676, 11784), (5892, 11352), (6192, 10802), (7568, 8838), (7856, 8514)]