71569520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 182988288

約数和(自身を除く): 111418768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 167, 176, 220, 334, 440, 487, 668, 835, 880, 974, 1336, 1670, 1837, 1948, 2435, 2672, 3340, 3674, 3896, 4870, 5357, 6680, 7348, 7792, 9185, 9740, 10714, 13360, 14696, 18370, 19480, 21428, 26785, 29392, 36740, 38960, 42856, 53570, 73480, 81329, 85712, 107140, 146960, 162658, 214280, 325316, 406645, 428560, 650632, 813290, 894619, 1301264, 1626580, 1789238, 3253160, 3578476, 4473095, 6506320, 7156952, 8946190, 14313904, 17892380, 35784760, 71569520]

約数ペア:

[(1, 71569520), (2, 35784760), (4, 17892380), (5, 14313904), (8, 8946190), (10, 7156952), (11, 6506320), (16, 4473095), (20, 3578476), (22, 3253160), (40, 1789238), (44, 1626580), (55, 1301264), (80, 894619), (88, 813290), (110, 650632), (167, 428560), (176, 406645), (220, 325316), (334, 214280), (440, 162658), (487, 146960), (668, 107140), (835, 85712), (880, 81329), (974, 73480), (1336, 53570), (1670, 42856), (1837, 38960), (1948, 36740), (2435, 29392), (2672, 26785), (3340, 21428), (3674, 19480), (3896, 18370), (4870, 14696), (5357, 13360), (6680, 10714), (7348, 9740), (7792, 9185)]