77606480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 207903360

約数和(自身を除く): 130296880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 997, 1112, 1390, 1946, 1994, 2224, 2780, 3892, 3988, 4865, 4985, 5560, 6979, 7784, 7976, 9730, 9970, 11120, 13958, 15568, 15952, 19460, 19940, 27916, 34895, 38920, 39880, 55832, 69790, 77840, 79760, 111664, 138583, 139580, 277166, 279160, 554332, 558320, 692915, 970081, 1108664, 1385830, 1940162, 2217328, 2771660, 3880324, 4850405, 5543320, 7760648, 9700810, 11086640, 15521296, 19401620, 38803240, 77606480]

約数ペア:

[(1, 77606480), (2, 38803240), (4, 19401620), (5, 15521296), (7, 11086640), (8, 9700810), (10, 7760648), (14, 5543320), (16, 4850405), (20, 3880324), (28, 2771660), (35, 2217328), (40, 1940162), (56, 1385830), (70, 1108664), (80, 970081), (112, 692915), (139, 558320), (140, 554332), (278, 279160), (280, 277166), (556, 139580), (560, 138583), (695, 111664), (973, 79760), (997, 77840), (1112, 69790), (1390, 55832), (1946, 39880), (1994, 38920), (2224, 34895), (2780, 27916), (3892, 19940), (3988, 19460), (4865, 15952), (4985, 15568), (5560, 13958), (6979, 11120), (7784, 9970), (7976, 9730)]