71617840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 205701120

約数和(自身を除く): 134083280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 80, 95, 106, 112, 127, 133, 140, 152, 190, 212, 254, 265, 266, 280, 304, 371, 380, 424, 508, 530, 532, 560, 635, 665, 742, 760, 848, 889, 1007, 1016, 1060, 1064, 1270, 1330, 1484, 1520, 1778, 1855, 2014, 2032, 2120, 2128, 2413, 2540, 2660, 2968, 3556, 3710, 4028, 4240, 4445, 4826, 5035, 5080, 5320, 5936, 6731, 7049, 7112, 7420, 8056, 8890, 9652, 10070, 10160, 10640, 12065, 13462, 14098, 14224, 14840, 16112, 16891, 17780, 19304, 20140, 24130, 26924, 28196, 29680, 33655, 33782, 35245, 35560, 38608, 40280, 47117, 48260, 53848, 56392, 67310, 67564, 70490, 71120, 80560, 84455, 94234, 96520, 107696, 112784, 127889, 134620, 135128, 140980, 168910, 188468, 193040, 235585, 255778, 269240, 270256, 281960, 337820, 376936, 471170, 511556, 538480, 563920, 639445, 675640, 753872, 895223, 942340, 1023112, 1278890, 1351280, 1790446, 1884680, 2046224, 2557780, 3580892, 3769360, 4476115, 5115560, 7161784, 8952230, 10231120, 14323568, 17904460, 35808920, 71617840]

約数ペア:

[(1, 71617840), (2, 35808920), (4, 17904460), (5, 14323568), (7, 10231120), (8, 8952230), (10, 7161784), (14, 5115560), (16, 4476115), (19, 3769360), (20, 3580892), (28, 2557780), (35, 2046224), (38, 1884680), (40, 1790446), (53, 1351280), (56, 1278890), (70, 1023112), (76, 942340), (80, 895223), (95, 753872), (106, 675640), (112, 639445), (127, 563920), (133, 538480), (140, 511556), (152, 471170), (190, 376936), (212, 337820), (254, 281960), (265, 270256), (266, 269240), (280, 255778), (304, 235585), (371, 193040), (380, 188468), (424, 168910), (508, 140980), (530, 135128), (532, 134620), (560, 127889), (635, 112784), (665, 107696), (742, 96520), (760, 94234), (848, 84455), (889, 80560), (1007, 71120), (1016, 70490), (1060, 67564), (1064, 67310), (1270, 56392), (1330, 53848), (1484, 48260), (1520, 47117), (1778, 40280), (1855, 38608), (2014, 35560), (2032, 35245), (2120, 33782), (2128, 33655), (2413, 29680), (2540, 28196), (2660, 26924), (2968, 24130), (3556, 20140), (3710, 19304), (4028, 17780), (4240, 16891), (4445, 16112), (4826, 14840), (5035, 14224), (5080, 14098), (5320, 13462), (5936, 12065), (6731, 10640), (7049, 10160), (7112, 10070), (7420, 9652), (8056, 8890)]