164830720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 414462312

約数和(自身を除く): 249631592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 256, 268, 310, 320, 335, 496, 512, 536, 620, 640, 670, 961, 992, 1072, 1240, 1280, 1340, 1922, 1984, 2077, 2144, 2480, 2560, 2680, 3844, 3968, 4154, 4288, 4805, 4960, 5360, 7688, 7936, 8308, 8576, 9610, 9920, 10385, 10720, 15376, 15872, 16616, 17152, 19220, 19840, 20770, 21440, 30752, 33232, 34304, 38440, 39680, 41540, 42880, 61504, 64387, 66464, 76880, 79360, 83080, 85760, 123008, 128774, 132928, 153760, 166160, 171520, 246016, 257548, 265856, 307520, 321935, 332320, 492032, 515096, 531712, 615040, 643870, 664640, 1030192, 1063424, 1230080, 1287740, 1329280, 2060384, 2460160, 2575480, 2658560, 4120768, 5150960, 5317120, 8241536, 10301920, 16483072, 20603840, 32966144, 41207680, 82415360, 164830720]

約数ペア:

[(1, 164830720), (2, 82415360), (4, 41207680), (5, 32966144), (8, 20603840), (10, 16483072), (16, 10301920), (20, 8241536), (31, 5317120), (32, 5150960), (40, 4120768), (62, 2658560), (64, 2575480), (67, 2460160), (80, 2060384), (124, 1329280), (128, 1287740), (134, 1230080), (155, 1063424), (160, 1030192), (248, 664640), (256, 643870), (268, 615040), (310, 531712), (320, 515096), (335, 492032), (496, 332320), (512, 321935), (536, 307520), (620, 265856), (640, 257548), (670, 246016), (961, 171520), (992, 166160), (1072, 153760), (1240, 132928), (1280, 128774), (1340, 123008), (1922, 85760), (1984, 83080), (2077, 79360), (2144, 76880), (2480, 66464), (2560, 64387), (2680, 61504), (3844, 42880), (3968, 41540), (4154, 39680), (4288, 38440), (4805, 34304), (4960, 33232), (5360, 30752), (7688, 21440), (7936, 20770), (8308, 19840), (8576, 19220), (9610, 17152), (9920, 16616), (10385, 15872), (10720, 15376)]