2564302720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4507}}^1$

素因数の和:4660

約数の個数: 128

約数和(自身を含む): 7062773760

約数和(自身を除く): 4498471040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1778, 2032, 2240, 2540, 3556, 4064, 4445, 4480, 4507, 5080, 7112, 8128, 8890, 9014, 10160, 14224, 16256, 17780, 18028, 20320, 22535, 28448, 31549, 35560, 36056, 40640, 45070, 56896, 63098, 71120, 72112, 81280, 90140, 113792, 126196, 142240, 144224, 157745, 180280, 252392, 284480, 288448, 315490, 360560, 504784, 568960, 572389, 576896, 630980, 721120, 1009568, 1144778, 1261960, 1442240, 2019136, 2289556, 2523920, 2861945, 2884480, 4006723, 4038272, 4579112, 5047840, 5723890, 8013446, 9158224, 10095680, 11447780, 16026892, 18316448, 20033615, 20191360, 22895560, 32053784, 36632896, 40067230, 45791120, 64107568, 73265792, 80134460, 91582240, 128215136, 160268920, 183164480, 256430272, 320537840, 366328960, 512860544, 641075680, 1282151360, 2564302720]

約数ペア:

[(1, 2564302720), (2, 1282151360), (4, 641075680), (5, 512860544), (7, 366328960), (8, 320537840), (10, 256430272), (14, 183164480), (16, 160268920), (20, 128215136), (28, 91582240), (32, 80134460), (35, 73265792), (40, 64107568), (56, 45791120), (64, 40067230), (70, 36632896), (80, 32053784), (112, 22895560), (127, 20191360), (128, 20033615), (140, 18316448), (160, 16026892), (224, 11447780), (254, 10095680), (280, 9158224), (320, 8013446), (448, 5723890), (508, 5047840), (560, 4579112), (635, 4038272), (640, 4006723), (889, 2884480), (896, 2861945), (1016, 2523920), (1120, 2289556), (1270, 2019136), (1778, 1442240), (2032, 1261960), (2240, 1144778), (2540, 1009568), (3556, 721120), (4064, 630980), (4445, 576896), (4480, 572389), (4507, 568960), (5080, 504784), (7112, 360560), (8128, 315490), (8890, 288448), (9014, 284480), (10160, 252392), (14224, 180280), (16256, 157745), (17780, 144224), (18028, 142240), (20320, 126196), (22535, 113792), (28448, 90140), (31549, 81280), (35560, 72112), (36056, 71120), (40640, 63098), (45070, 56896)]