72106720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64381}}^1$

素因数の和:64403

約数の個数: 48

約数和(自身を含む): 194691168

約数和(自身を除く): 122584448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64381, 128762, 257524, 321905, 450667, 515048, 643810, 901334, 1030096, 1287620, 1802668, 2060192, 2253335, 2575240, 3605336, 4506670, 5150480, 7210672, 9013340, 10300960, 14421344, 18026680, 36053360, 72106720]

約数ペア:

[(1, 72106720), (2, 36053360), (4, 18026680), (5, 14421344), (7, 10300960), (8, 9013340), (10, 7210672), (14, 5150480), (16, 4506670), (20, 3605336), (28, 2575240), (32, 2253335), (35, 2060192), (40, 1802668), (56, 1287620), (70, 1030096), (80, 901334), (112, 643810), (140, 515048), (160, 450667), (224, 321905), (280, 257524), (560, 128762), (1120, 64381)]