77439680

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1741}}^1$

素因数の和:1897

約数の個数: 56

約数和(自身を含む): 185836560

約数和(自身を除く): 108396880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1741, 2224, 2780, 3482, 4448, 5560, 6964, 8705, 8896, 11120, 13928, 17410, 22240, 27856, 34820, 44480, 55712, 69640, 111424, 139280, 241999, 278560, 483998, 557120, 967996, 1209995, 1935992, 2419990, 3871984, 4839980, 7743968, 9679960, 15487936, 19359920, 38719840, 77439680]

約数ペア:

[(1, 77439680), (2, 38719840), (4, 19359920), (5, 15487936), (8, 9679960), (10, 7743968), (16, 4839980), (20, 3871984), (32, 2419990), (40, 1935992), (64, 1209995), (80, 967996), (139, 557120), (160, 483998), (278, 278560), (320, 241999), (556, 139280), (695, 111424), (1112, 69640), (1390, 55712), (1741, 44480), (2224, 34820), (2780, 27856), (3482, 22240), (4448, 17410), (5560, 13928), (6964, 11120), (8705, 8896)]