221609920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 655441920

約数和(自身を除く): 433832000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 64, 70, 76, 80, 82, 95, 112, 127, 133, 140, 152, 160, 164, 190, 205, 224, 254, 266, 280, 287, 304, 320, 328, 380, 410, 448, 508, 532, 560, 574, 608, 635, 656, 665, 760, 779, 820, 889, 1016, 1064, 1120, 1148, 1216, 1270, 1312, 1330, 1435, 1520, 1558, 1640, 1778, 2032, 2128, 2240, 2296, 2413, 2540, 2624, 2660, 2870, 3040, 3116, 3280, 3556, 3895, 4064, 4256, 4445, 4592, 4826, 5080, 5207, 5320, 5453, 5740, 6080, 6232, 6560, 7112, 7790, 8128, 8512, 8890, 9184, 9652, 10160, 10414, 10640, 10906, 11480, 12065, 12464, 13120, 14224, 15580, 16891, 17780, 18368, 19304, 20320, 20828, 21280, 21812, 22960, 24130, 24928, 26035, 27265, 28448, 31160, 33782, 35560, 36449, 38608, 40640, 41656, 42560, 43624, 45920, 48260, 49856, 52070, 54530, 56896, 62320, 67564, 71120, 72898, 77216, 83312, 84455, 87248, 91840, 96520, 98933, 104140, 109060, 124640, 135128, 142240, 145796, 154432, 166624, 168910, 174496, 182245, 193040, 197866, 208280, 218120, 249280, 270256, 284480, 291592, 333248, 337820, 348992, 364490, 386080, 395732, 416560, 436240, 494665, 540512, 583184, 675640, 692531, 728980, 772160, 791464, 833120, 872480, 989330, 1081024, 1166368, 1351280, 1385062, 1457960, 1582928, 1666240, 1744960, 1978660, 2332736, 2702560, 2770124, 2915920, 3165856, 3462655, 3957320, 5405120, 5540248, 5831840, 6331712, 6925310, 7914640, 11080496, 11663680, 13850620, 15829280, 22160992, 27701240, 31658560, 44321984, 55402480, 110804960, 221609920]

約数ペア:

[(1, 221609920), (2, 110804960), (4, 55402480), (5, 44321984), (7, 31658560), (8, 27701240), (10, 22160992), (14, 15829280), (16, 13850620), (19, 11663680), (20, 11080496), (28, 7914640), (32, 6925310), (35, 6331712), (38, 5831840), (40, 5540248), (41, 5405120), (56, 3957320), (64, 3462655), (70, 3165856), (76, 2915920), (80, 2770124), (82, 2702560), (95, 2332736), (112, 1978660), (127, 1744960), (133, 1666240), (140, 1582928), (152, 1457960), (160, 1385062), (164, 1351280), (190, 1166368), (205, 1081024), (224, 989330), (254, 872480), (266, 833120), (280, 791464), (287, 772160), (304, 728980), (320, 692531), (328, 675640), (380, 583184), (410, 540512), (448, 494665), (508, 436240), (532, 416560), (560, 395732), (574, 386080), (608, 364490), (635, 348992), (656, 337820), (665, 333248), (760, 291592), (779, 284480), (820, 270256), (889, 249280), (1016, 218120), (1064, 208280), (1120, 197866), (1148, 193040), (1216, 182245), (1270, 174496), (1312, 168910), (1330, 166624), (1435, 154432), (1520, 145796), (1558, 142240), (1640, 135128), (1778, 124640), (2032, 109060), (2128, 104140), (2240, 98933), (2296, 96520), (2413, 91840), (2540, 87248), (2624, 84455), (2660, 83312), (2870, 77216), (3040, 72898), (3116, 71120), (3280, 67564), (3556, 62320), (3895, 56896), (4064, 54530), (4256, 52070), (4445, 49856), (4592, 48260), (4826, 45920), (5080, 43624), (5207, 42560), (5320, 41656), (5453, 40640), (5740, 38608), (6080, 36449), (6232, 35560), (6560, 33782), (7112, 31160), (7790, 28448), (8128, 27265), (8512, 26035), (8890, 24928), (9184, 24130), (9652, 22960), (10160, 21812), (10414, 21280), (10640, 20828), (10906, 20320), (11480, 19304), (12065, 18368), (12464, 17780), (13120, 16891), (14224, 15580)]