71984000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 195717600

約数和(自身を除く): 123733600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 320, 352, 400, 409, 440, 500, 550, 640, 704, 800, 818, 880, 1000, 1100, 1375, 1408, 1600, 1636, 1760, 2000, 2045, 2200, 2750, 3200, 3272, 3520, 4000, 4090, 4400, 4499, 5500, 6544, 7040, 8000, 8180, 8800, 8998, 10225, 11000, 13088, 16000, 16360, 17600, 17996, 20450, 22000, 22495, 26176, 32720, 35200, 35992, 40900, 44000, 44990, 51125, 52352, 65440, 71984, 81800, 88000, 89980, 102250, 112475, 130880, 143968, 163600, 176000, 179960, 204500, 224950, 261760, 287936, 327200, 359920, 409000, 449900, 562375, 575872, 654400, 719840, 818000, 899800, 1124750, 1308800, 1439680, 1636000, 1799600, 2249500, 2879360, 3272000, 3599200, 4499000, 6544000, 7198400, 8998000, 14396800, 17996000, 35992000, 71984000]

約数ペア:

[(1, 71984000), (2, 35992000), (4, 17996000), (5, 14396800), (8, 8998000), (10, 7198400), (11, 6544000), (16, 4499000), (20, 3599200), (22, 3272000), (25, 2879360), (32, 2249500), (40, 1799600), (44, 1636000), (50, 1439680), (55, 1308800), (64, 1124750), (80, 899800), (88, 818000), (100, 719840), (110, 654400), (125, 575872), (128, 562375), (160, 449900), (176, 409000), (200, 359920), (220, 327200), (250, 287936), (275, 261760), (320, 224950), (352, 204500), (400, 179960), (409, 176000), (440, 163600), (500, 143968), (550, 130880), (640, 112475), (704, 102250), (800, 89980), (818, 88000), (880, 81800), (1000, 71984), (1100, 65440), (1375, 52352), (1408, 51125), (1600, 44990), (1636, 44000), (1760, 40900), (2000, 35992), (2045, 35200), (2200, 32720), (2750, 26176), (3200, 22495), (3272, 22000), (3520, 20450), (4000, 17996), (4090, 17600), (4400, 16360), (4499, 16000), (5500, 13088), (6544, 11000), (7040, 10225), (8000, 8998), (8180, 8800)]