257169920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 716525568

約数和(自身を除く): 459355648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 127, 128, 140, 160, 224, 226, 254, 256, 280, 320, 448, 452, 508, 512, 560, 565, 635, 640, 791, 889, 896, 904, 1016, 1120, 1130, 1270, 1280, 1582, 1778, 1792, 1808, 2032, 2240, 2260, 2540, 2560, 3164, 3556, 3584, 3616, 3955, 4064, 4445, 4480, 4520, 5080, 6328, 7112, 7232, 7910, 8128, 8890, 8960, 9040, 10160, 12656, 14224, 14351, 14464, 15820, 16256, 17780, 17920, 18080, 20320, 25312, 28448, 28702, 28928, 31640, 32512, 35560, 36160, 40640, 50624, 56896, 57404, 57856, 63280, 65024, 71120, 71755, 72320, 81280, 100457, 101248, 113792, 114808, 126560, 142240, 143510, 144640, 162560, 200914, 202496, 227584, 229616, 253120, 284480, 287020, 289280, 325120, 401828, 404992, 455168, 459232, 502285, 506240, 568960, 574040, 803656, 918464, 1004570, 1012480, 1137920, 1148080, 1607312, 1836928, 2009140, 2024960, 2275840, 2296160, 3214624, 3673856, 4018280, 4592320, 6429248, 7347712, 8036560, 9184640, 12858496, 16073120, 18369280, 25716992, 32146240, 36738560, 51433984, 64292480, 128584960, 257169920]

約数ペア:

[(1, 257169920), (2, 128584960), (4, 64292480), (5, 51433984), (7, 36738560), (8, 32146240), (10, 25716992), (14, 18369280), (16, 16073120), (20, 12858496), (28, 9184640), (32, 8036560), (35, 7347712), (40, 6429248), (56, 4592320), (64, 4018280), (70, 3673856), (80, 3214624), (112, 2296160), (113, 2275840), (127, 2024960), (128, 2009140), (140, 1836928), (160, 1607312), (224, 1148080), (226, 1137920), (254, 1012480), (256, 1004570), (280, 918464), (320, 803656), (448, 574040), (452, 568960), (508, 506240), (512, 502285), (560, 459232), (565, 455168), (635, 404992), (640, 401828), (791, 325120), (889, 289280), (896, 287020), (904, 284480), (1016, 253120), (1120, 229616), (1130, 227584), (1270, 202496), (1280, 200914), (1582, 162560), (1778, 144640), (1792, 143510), (1808, 142240), (2032, 126560), (2240, 114808), (2260, 113792), (2540, 101248), (2560, 100457), (3164, 81280), (3556, 72320), (3584, 71755), (3616, 71120), (3955, 65024), (4064, 63280), (4445, 57856), (4480, 57404), (4520, 56896), (5080, 50624), (6328, 40640), (7112, 36160), (7232, 35560), (7910, 32512), (8128, 31640), (8890, 28928), (8960, 28702), (9040, 28448), (10160, 25312), (12656, 20320), (14224, 18080), (14351, 17920), (14464, 17780), (15820, 16256)]