82555480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9511}}^1$

素因数の和:9560

約数の個数: 64

約数和(自身を含む): 219156480

約数和(自身を除く): 136601000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9511, 19022, 38044, 47555, 66577, 76088, 95110, 133154, 190220, 266308, 294841, 332885, 380440, 532616, 589682, 665770, 1179364, 1331540, 1474205, 2063887, 2358728, 2663080, 2948410, 4127774, 5896820, 8255548, 10319435, 11793640, 16511096, 20638870, 41277740, 82555480]

約数ペア:

[(1, 82555480), (2, 41277740), (4, 20638870), (5, 16511096), (7, 11793640), (8, 10319435), (10, 8255548), (14, 5896820), (20, 4127774), (28, 2948410), (31, 2663080), (35, 2358728), (40, 2063887), (56, 1474205), (62, 1331540), (70, 1179364), (124, 665770), (140, 589682), (155, 532616), (217, 380440), (248, 332885), (280, 294841), (310, 266308), (434, 190220), (620, 133154), (868, 95110), (1085, 76088), (1240, 66577), (1736, 47555), (2170, 38044), (4340, 19022), (8680, 9511)]