140239040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 351519744

約数和(自身を除く): 211280704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 134, 155, 160, 211, 248, 268, 310, 320, 335, 422, 496, 536, 620, 670, 844, 992, 1055, 1072, 1240, 1340, 1688, 1984, 2077, 2110, 2144, 2480, 2680, 3376, 4154, 4220, 4288, 4960, 5360, 6541, 6752, 8308, 8440, 9920, 10385, 10720, 13082, 13504, 14137, 16616, 16880, 20770, 21440, 26164, 28274, 32705, 33232, 33760, 41540, 52328, 56548, 65410, 66464, 67520, 70685, 83080, 104656, 113096, 130820, 132928, 141370, 166160, 209312, 226192, 261640, 282740, 332320, 418624, 438247, 452384, 523280, 565480, 664640, 876494, 904768, 1046560, 1130960, 1752988, 2093120, 2191235, 2261920, 3505976, 4382470, 4523840, 7011952, 8764940, 14023904, 17529880, 28047808, 35059760, 70119520, 140239040]

約数ペア:

[(1, 140239040), (2, 70119520), (4, 35059760), (5, 28047808), (8, 17529880), (10, 14023904), (16, 8764940), (20, 7011952), (31, 4523840), (32, 4382470), (40, 3505976), (62, 2261920), (64, 2191235), (67, 2093120), (80, 1752988), (124, 1130960), (134, 1046560), (155, 904768), (160, 876494), (211, 664640), (248, 565480), (268, 523280), (310, 452384), (320, 438247), (335, 418624), (422, 332320), (496, 282740), (536, 261640), (620, 226192), (670, 209312), (844, 166160), (992, 141370), (1055, 132928), (1072, 130820), (1240, 113096), (1340, 104656), (1688, 83080), (1984, 70685), (2077, 67520), (2110, 66464), (2144, 65410), (2480, 56548), (2680, 52328), (3376, 41540), (4154, 33760), (4220, 33232), (4288, 32705), (4960, 28274), (5360, 26164), (6541, 21440), (6752, 20770), (8308, 16880), (8440, 16616), (9920, 14137), (10385, 13504), (10720, 13082)]