71771840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{179}}^2$

素因数の和:382

約数の個数: 84

約数和(自身を含む): 196419216

約数和(自身を除く): 124647376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 179, 224, 280, 320, 358, 448, 560, 716, 895, 1120, 1253, 1432, 1790, 2240, 2506, 2864, 3580, 5012, 5728, 6265, 7160, 10024, 11456, 12530, 14320, 20048, 25060, 28640, 32041, 40096, 50120, 57280, 64082, 80192, 100240, 128164, 160205, 200480, 224287, 256328, 320410, 400960, 448574, 512656, 640820, 897148, 1025312, 1121435, 1281640, 1794296, 2050624, 2242870, 2563280, 3588592, 4485740, 5126560, 7177184, 8971480, 10253120, 14354368, 17942960, 35885920, 71771840]

約数ペア:

[(1, 71771840), (2, 35885920), (4, 17942960), (5, 14354368), (7, 10253120), (8, 8971480), (10, 7177184), (14, 5126560), (16, 4485740), (20, 3588592), (28, 2563280), (32, 2242870), (35, 2050624), (40, 1794296), (56, 1281640), (64, 1121435), (70, 1025312), (80, 897148), (112, 640820), (140, 512656), (160, 448574), (179, 400960), (224, 320410), (280, 256328), (320, 224287), (358, 200480), (448, 160205), (560, 128164), (716, 100240), (895, 80192), (1120, 64082), (1253, 57280), (1432, 50120), (1790, 40096), (2240, 32041), (2506, 28640), (2864, 25060), (3580, 20048), (5012, 14320), (5728, 12530), (6265, 11456), (7160, 10024)]