66464000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 173462016

約数和(自身を除く): 106998016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 67, 80, 100, 124, 125, 128, 134, 155, 160, 200, 248, 250, 256, 268, 310, 320, 335, 400, 496, 500, 536, 620, 640, 670, 775, 800, 992, 1000, 1072, 1240, 1280, 1340, 1550, 1600, 1675, 1984, 2000, 2077, 2144, 2480, 2680, 3100, 3200, 3350, 3875, 3968, 4000, 4154, 4288, 4960, 5360, 6200, 6400, 6700, 7750, 7936, 8000, 8308, 8375, 8576, 9920, 10385, 10720, 12400, 13400, 15500, 16000, 16616, 16750, 17152, 19840, 20770, 21440, 24800, 26800, 31000, 32000, 33232, 33500, 39680, 41540, 42880, 49600, 51925, 53600, 62000, 66464, 67000, 83080, 85760, 99200, 103850, 107200, 124000, 132928, 134000, 166160, 198400, 207700, 214400, 248000, 259625, 265856, 268000, 332320, 415400, 428800, 496000, 519250, 531712, 536000, 664640, 830800, 992000, 1038500, 1072000, 1329280, 1661600, 2077000, 2144000, 2658560, 3323200, 4154000, 6646400, 8308000, 13292800, 16616000, 33232000, 66464000]

約数ペア:

[(1, 66464000), (2, 33232000), (4, 16616000), (5, 13292800), (8, 8308000), (10, 6646400), (16, 4154000), (20, 3323200), (25, 2658560), (31, 2144000), (32, 2077000), (40, 1661600), (50, 1329280), (62, 1072000), (64, 1038500), (67, 992000), (80, 830800), (100, 664640), (124, 536000), (125, 531712), (128, 519250), (134, 496000), (155, 428800), (160, 415400), (200, 332320), (248, 268000), (250, 265856), (256, 259625), (268, 248000), (310, 214400), (320, 207700), (335, 198400), (400, 166160), (496, 134000), (500, 132928), (536, 124000), (620, 107200), (640, 103850), (670, 99200), (775, 85760), (800, 83080), (992, 67000), (1000, 66464), (1072, 62000), (1240, 53600), (1280, 51925), (1340, 49600), (1550, 42880), (1600, 41540), (1675, 39680), (1984, 33500), (2000, 33232), (2077, 32000), (2144, 31000), (2480, 26800), (2680, 24800), (3100, 21440), (3200, 20770), (3350, 19840), (3875, 17152), (3968, 16750), (4000, 16616), (4154, 16000), (4288, 15500), (4960, 13400), (5360, 12400), (6200, 10720), (6400, 10385), (6700, 9920), (7750, 8576), (7936, 8375), (8000, 8308)]