128584960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 357912576

約数和(自身を除く): 229327616

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, 560, 565, 635, 640, 791, 889, 896, 904, 1016, 1120, 1130, 1270, 1280, 1582, 1778, 1792, 1808, 2032, 2240, 2260, 2540, 3164, 3556, 3616, 3955, 4064, 4445, 4480, 4520, 5080, 6328, 7112, 7232, 7910, 8128, 8890, 8960, 9040, 10160, 12656, 14224, 14351, 14464, 15820, 16256, 17780, 18080, 20320, 25312, 28448, 28702, 28928, 31640, 32512, 35560, 36160, 40640, 50624, 56896, 57404, 63280, 71120, 71755, 72320, 81280, 100457, 101248, 113792, 114808, 126560, 142240, 143510, 144640, 162560, 200914, 202496, 227584, 229616, 253120, 284480, 287020, 401828, 459232, 502285, 506240, 568960, 574040, 803656, 918464, 1004570, 1012480, 1137920, 1148080, 1607312, 1836928, 2009140, 2296160, 3214624, 3673856, 4018280, 4592320, 6429248, 8036560, 9184640, 12858496, 16073120, 18369280, 25716992, 32146240, 64292480, 128584960]

約数ペア:

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