63904720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 163918080

約数和(自身を除く): 100013360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 719, 808, 880, 1010, 1111, 1438, 1616, 2020, 2222, 2876, 3595, 4040, 4444, 5555, 5752, 7190, 7909, 8080, 8888, 11110, 11504, 14380, 15818, 17776, 22220, 28760, 31636, 39545, 44440, 57520, 63272, 72619, 79090, 88880, 126544, 145238, 158180, 290476, 316360, 363095, 580952, 632720, 726190, 798809, 1161904, 1452380, 1597618, 2904760, 3195236, 3994045, 5809520, 6390472, 7988090, 12780944, 15976180, 31952360, 63904720]

約数ペア:

[(1, 63904720), (2, 31952360), (4, 15976180), (5, 12780944), (8, 7988090), (10, 6390472), (11, 5809520), (16, 3994045), (20, 3195236), (22, 2904760), (40, 1597618), (44, 1452380), (55, 1161904), (80, 798809), (88, 726190), (101, 632720), (110, 580952), (176, 363095), (202, 316360), (220, 290476), (404, 158180), (440, 145238), (505, 126544), (719, 88880), (808, 79090), (880, 72619), (1010, 63272), (1111, 57520), (1438, 44440), (1616, 39545), (2020, 31636), (2222, 28760), (2876, 22220), (3595, 17776), (4040, 15818), (4444, 14380), (5555, 11504), (5752, 11110), (7190, 8888), (7909, 8080)]