27701240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 77414400

約数和(自身を除く): 49713160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 127, 133, 140, 152, 164, 190, 205, 254, 266, 280, 287, 328, 380, 410, 508, 532, 574, 635, 665, 760, 779, 820, 889, 1016, 1064, 1148, 1270, 1330, 1435, 1558, 1640, 1778, 2296, 2413, 2540, 2660, 2870, 3116, 3556, 3895, 4445, 4826, 5080, 5207, 5320, 5453, 5740, 6232, 7112, 7790, 8890, 9652, 10414, 10906, 11480, 12065, 15580, 16891, 17780, 19304, 20828, 21812, 24130, 26035, 27265, 31160, 33782, 35560, 36449, 41656, 43624, 48260, 52070, 54530, 67564, 72898, 84455, 96520, 98933, 104140, 109060, 135128, 145796, 168910, 182245, 197866, 208280, 218120, 291592, 337820, 364490, 395732, 494665, 675640, 692531, 728980, 791464, 989330, 1385062, 1457960, 1978660, 2770124, 3462655, 3957320, 5540248, 6925310, 13850620, 27701240]

約数ペア:

[(1, 27701240), (2, 13850620), (4, 6925310), (5, 5540248), (7, 3957320), (8, 3462655), (10, 2770124), (14, 1978660), (19, 1457960), (20, 1385062), (28, 989330), (35, 791464), (38, 728980), (40, 692531), (41, 675640), (56, 494665), (70, 395732), (76, 364490), (82, 337820), (95, 291592), (127, 218120), (133, 208280), (140, 197866), (152, 182245), (164, 168910), (190, 145796), (205, 135128), (254, 109060), (266, 104140), (280, 98933), (287, 96520), (328, 84455), (380, 72898), (410, 67564), (508, 54530), (532, 52070), (574, 48260), (635, 43624), (665, 41656), (760, 36449), (779, 35560), (820, 33782), (889, 31160), (1016, 27265), (1064, 26035), (1148, 24130), (1270, 21812), (1330, 20828), (1435, 19304), (1558, 17780), (1640, 16891), (1778, 15580), (2296, 12065), (2413, 11480), (2540, 10906), (2660, 10414), (2870, 9652), (3116, 8890), (3556, 7790), (3895, 7112), (4445, 6232), (4826, 5740), (5080, 5453), (5207, 5320)]