129815680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8819}}^1$

素因数の和:8861

約数の個数: 64

約数和(自身を含む): 323870400

約数和(自身を除く): 194054720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 8819, 14720, 17638, 35276, 44095, 70552, 88190, 141104, 176380, 202837, 282208, 352760, 405674, 564416, 705520, 811348, 1014185, 1128832, 1411040, 1622696, 2028370, 2822080, 3245392, 4056740, 5644160, 6490784, 8113480, 12981568, 16226960, 25963136, 32453920, 64907840, 129815680]

約数ペア:

[(1, 129815680), (2, 64907840), (4, 32453920), (5, 25963136), (8, 16226960), (10, 12981568), (16, 8113480), (20, 6490784), (23, 5644160), (32, 4056740), (40, 3245392), (46, 2822080), (64, 2028370), (80, 1622696), (92, 1411040), (115, 1128832), (128, 1014185), (160, 811348), (184, 705520), (230, 564416), (320, 405674), (368, 352760), (460, 282208), (640, 202837), (736, 176380), (920, 141104), (1472, 88190), (1840, 70552), (2944, 44095), (3680, 35276), (7360, 17638), (8819, 14720)]