15837920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 27707680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 179, 224, 280, 316, 358, 395, 553, 560, 632, 716, 790, 895, 1106, 1120, 1253, 1264, 1432, 1580, 1790, 2212, 2506, 2528, 2765, 2864, 3160, 3580, 4424, 5012, 5530, 5728, 6265, 6320, 7160, 8848, 10024, 11060, 12530, 12640, 14141, 14320, 17696, 20048, 22120, 25060, 28282, 28640, 40096, 44240, 50120, 56564, 70705, 88480, 98987, 100240, 113128, 141410, 197974, 200480, 226256, 282820, 395948, 452512, 494935, 565640, 791896, 989870, 1131280, 1583792, 1979740, 2262560, 3167584, 3959480, 7918960, 15837920]

約数ペア:

[(1, 15837920), (2, 7918960), (4, 3959480), (5, 3167584), (7, 2262560), (8, 1979740), (10, 1583792), (14, 1131280), (16, 989870), (20, 791896), (28, 565640), (32, 494935), (35, 452512), (40, 395948), (56, 282820), (70, 226256), (79, 200480), (80, 197974), (112, 141410), (140, 113128), (158, 100240), (160, 98987), (179, 88480), (224, 70705), (280, 56564), (316, 50120), (358, 44240), (395, 40096), (553, 28640), (560, 28282), (632, 25060), (716, 22120), (790, 20048), (895, 17696), (1106, 14320), (1120, 14141), (1253, 12640), (1264, 12530), (1432, 11060), (1580, 10024), (1790, 8848), (2212, 7160), (2506, 6320), (2528, 6265), (2765, 5728), (2864, 5530), (3160, 5012), (3580, 4424)]