56199280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 146280816

約数和(自身を除く): 90081536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 43, 62, 68, 80, 85, 86, 124, 136, 155, 170, 172, 215, 248, 272, 310, 340, 344, 430, 496, 527, 620, 680, 688, 731, 860, 961, 1054, 1240, 1333, 1360, 1462, 1720, 1922, 2108, 2480, 2635, 2666, 2924, 3440, 3655, 3844, 4216, 4805, 5270, 5332, 5848, 6665, 7310, 7688, 8432, 9610, 10540, 10664, 11696, 13330, 14620, 15376, 16337, 19220, 21080, 21328, 22661, 26660, 29240, 32674, 38440, 41323, 42160, 45322, 53320, 58480, 65348, 76880, 81685, 82646, 90644, 106640, 113305, 130696, 163370, 165292, 181288, 206615, 226610, 261392, 326740, 330584, 362576, 413230, 453220, 653480, 661168, 702491, 826460, 906440, 1306960, 1404982, 1652920, 1812880, 2809964, 3305840, 3512455, 5619928, 7024910, 11239856, 14049820, 28099640, 56199280]

約数ペア:

[(1, 56199280), (2, 28099640), (4, 14049820), (5, 11239856), (8, 7024910), (10, 5619928), (16, 3512455), (17, 3305840), (20, 2809964), (31, 1812880), (34, 1652920), (40, 1404982), (43, 1306960), (62, 906440), (68, 826460), (80, 702491), (85, 661168), (86, 653480), (124, 453220), (136, 413230), (155, 362576), (170, 330584), (172, 326740), (215, 261392), (248, 226610), (272, 206615), (310, 181288), (340, 165292), (344, 163370), (430, 130696), (496, 113305), (527, 106640), (620, 90644), (680, 82646), (688, 81685), (731, 76880), (860, 65348), (961, 58480), (1054, 53320), (1240, 45322), (1333, 42160), (1360, 41323), (1462, 38440), (1720, 32674), (1922, 29240), (2108, 26660), (2480, 22661), (2635, 21328), (2666, 21080), (2924, 19220), (3440, 16337), (3655, 15376), (3844, 14620), (4216, 13330), (4805, 11696), (5270, 10664), (5332, 10540), (5848, 9610), (6665, 8432), (7310, 7688)]