72731680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9277}}^1$

素因数の和:9306

約数の個数: 72

約数和(自身を含む): 199903788

約数和(自身を除く): 127172108

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9277, 18554, 37108, 46385, 64939, 74216, 92770, 129878, 148432, 185540, 259756, 296864, 324695, 371080, 454573, 519512, 649390, 742160, 909146, 1039024, 1298780, 1484320, 1818292, 2078048, 2272865, 2597560, 3636584, 4545730, 5195120, 7273168, 9091460, 10390240, 14546336, 18182920, 36365840, 72731680]

約数ペア:

[(1, 72731680), (2, 36365840), (4, 18182920), (5, 14546336), (7, 10390240), (8, 9091460), (10, 7273168), (14, 5195120), (16, 4545730), (20, 3636584), (28, 2597560), (32, 2272865), (35, 2078048), (40, 1818292), (49, 1484320), (56, 1298780), (70, 1039024), (80, 909146), (98, 742160), (112, 649390), (140, 519512), (160, 454573), (196, 371080), (224, 324695), (245, 296864), (280, 259756), (392, 185540), (490, 148432), (560, 129878), (784, 92770), (980, 74216), (1120, 64939), (1568, 46385), (1960, 37108), (3920, 18554), (7840, 9277)]