18157760

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:513

約数の個数: 56

約数和(自身を含む): 43616880

約数和(自身を除く): 25459120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 317, 320, 358, 634, 716, 895, 1268, 1432, 1585, 1790, 2536, 2864, 3170, 3580, 5072, 5728, 6340, 7160, 10144, 11456, 12680, 14320, 20288, 25360, 28640, 50720, 56743, 57280, 101440, 113486, 226972, 283715, 453944, 567430, 907888, 1134860, 1815776, 2269720, 3631552, 4539440, 9078880, 18157760]

約数ペア:

[(1, 18157760), (2, 9078880), (4, 4539440), (5, 3631552), (8, 2269720), (10, 1815776), (16, 1134860), (20, 907888), (32, 567430), (40, 453944), (64, 283715), (80, 226972), (160, 113486), (179, 101440), (317, 57280), (320, 56743), (358, 50720), (634, 28640), (716, 25360), (895, 20288), (1268, 14320), (1432, 12680), (1585, 11456), (1790, 10144), (2536, 7160), (2864, 6340), (3170, 5728), (3580, 5072)]