16789120

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 41279400

約数和(自身を除く): 24490280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 709, 740, 1184, 1418, 1480, 2368, 2836, 2960, 3545, 4736, 5672, 5920, 7090, 11344, 11840, 14180, 22688, 23680, 26233, 28360, 45376, 52466, 56720, 90752, 104932, 113440, 131165, 209864, 226880, 262330, 419728, 453760, 524660, 839456, 1049320, 1678912, 2098640, 3357824, 4197280, 8394560, 16789120]

約数ペア:

[(1, 16789120), (2, 8394560), (4, 4197280), (5, 3357824), (8, 2098640), (10, 1678912), (16, 1049320), (20, 839456), (32, 524660), (37, 453760), (40, 419728), (64, 262330), (74, 226880), (80, 209864), (128, 131165), (148, 113440), (160, 104932), (185, 90752), (296, 56720), (320, 52466), (370, 45376), (592, 28360), (640, 26233), (709, 23680), (740, 22688), (1184, 14180), (1418, 11840), (1480, 11344), (2368, 7090), (2836, 5920), (2960, 5672), (3545, 4736)]