320423994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1104

約数の個数: 96

約数和(自身を含む): 802234368

約数和(自身を除く): 481810374

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 71, 99, 138, 142, 198, 207, 213, 253, 414, 426, 506, 639, 759, 781, 991, 1278, 1518, 1562, 1633, 1982, 2277, 2343, 2973, 3266, 4554, 4686, 4899, 5946, 7029, 8919, 9798, 10901, 14058, 14697, 17838, 17963, 21802, 22793, 29394, 32703, 35926, 45586, 53889, 65406, 68379, 70361, 98109, 107778, 136758, 140722, 161667, 196218, 205137, 211083, 250723, 323334, 410274, 422166, 501446, 633249, 752169, 773971, 1266498, 1504338, 1547942, 1618303, 2256507, 2321913, 3236606, 4513014, 4643826, 4854909, 6965739, 9709818, 13931478, 14564727, 17801333, 29129454, 35602666, 53403999, 106807998, 160211997, 320423994]

約数ペア:

[(1, 320423994), (2, 160211997), (3, 106807998), (6, 53403999), (9, 35602666), (11, 29129454), (18, 17801333), (22, 14564727), (23, 13931478), (33, 9709818), (46, 6965739), (66, 4854909), (69, 4643826), (71, 4513014), (99, 3236606), (138, 2321913), (142, 2256507), (198, 1618303), (207, 1547942), (213, 1504338), (253, 1266498), (414, 773971), (426, 752169), (506, 633249), (639, 501446), (759, 422166), (781, 410274), (991, 323334), (1278, 250723), (1518, 211083), (1562, 205137), (1633, 196218), (1982, 161667), (2277, 140722), (2343, 136758), (2973, 107778), (3266, 98109), (4554, 70361), (4686, 68379), (4899, 65406), (5946, 53889), (7029, 45586), (8919, 35926), (9798, 32703), (10901, 29394), (14058, 22793), (14697, 21802), (17838, 17963)]