559998880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 1573157376

約数和(自身を除く): 1013158496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 127, 140, 155, 160, 217, 224, 248, 254, 280, 310, 434, 496, 508, 560, 620, 635, 868, 889, 992, 1016, 1085, 1120, 1240, 1270, 1736, 1778, 2032, 2170, 2480, 2540, 3472, 3556, 3937, 4064, 4340, 4445, 4960, 5080, 6944, 7112, 7874, 8680, 8890, 10160, 14224, 15748, 16129, 17360, 17780, 19685, 20320, 27559, 28448, 31496, 32258, 34720, 35560, 39370, 55118, 62992, 64516, 71120, 78740, 80645, 110236, 112903, 125984, 129032, 137795, 142240, 157480, 161290, 220472, 225806, 258064, 275590, 314960, 322580, 440944, 451612, 499999, 516128, 551180, 564515, 629920, 645160, 881888, 903224, 999998, 1102360, 1129030, 1290320, 1806448, 1999996, 2204720, 2258060, 2499995, 2580640, 3499993, 3612896, 3999992, 4409440, 4516120, 4999990, 6999986, 7999984, 9032240, 9999980, 13999972, 15999968, 17499965, 18064480, 19999960, 27999944, 34999930, 39999920, 55999888, 69999860, 79999840, 111999776, 139999720, 279999440, 559998880]

約数ペア:

[(1, 559998880), (2, 279999440), (4, 139999720), (5, 111999776), (7, 79999840), (8, 69999860), (10, 55999888), (14, 39999920), (16, 34999930), (20, 27999944), (28, 19999960), (31, 18064480), (32, 17499965), (35, 15999968), (40, 13999972), (56, 9999980), (62, 9032240), (70, 7999984), (80, 6999986), (112, 4999990), (124, 4516120), (127, 4409440), (140, 3999992), (155, 3612896), (160, 3499993), (217, 2580640), (224, 2499995), (248, 2258060), (254, 2204720), (280, 1999996), (310, 1806448), (434, 1290320), (496, 1129030), (508, 1102360), (560, 999998), (620, 903224), (635, 881888), (868, 645160), (889, 629920), (992, 564515), (1016, 551180), (1085, 516128), (1120, 499999), (1240, 451612), (1270, 440944), (1736, 322580), (1778, 314960), (2032, 275590), (2170, 258064), (2480, 225806), (2540, 220472), (3472, 161290), (3556, 157480), (3937, 142240), (4064, 137795), (4340, 129032), (4445, 125984), (4960, 112903), (5080, 110236), (6944, 80645), (7112, 78740), (7874, 71120), (8680, 64516), (8890, 62992), (10160, 55118), (14224, 39370), (15748, 35560), (16129, 34720), (17360, 32258), (17780, 31496), (19685, 28448), (20320, 27559)]