80642640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25876

約数の個数: 80

約数和(自身を含む): 269232768

約数和(自身を除く): 188590128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25847, 51694, 77541, 103388, 129235, 155082, 206776, 258470, 310164, 336011, 387705, 413552, 516940, 620328, 672022, 775410, 1008033, 1033880, 1240656, 1344044, 1550820, 1680055, 2016066, 2067760, 2688088, 3101640, 3360110, 4032132, 5040165, 5376176, 6203280, 6720220, 8064264, 10080330, 13440440, 16128528, 20160660, 26880880, 40321320, 80642640]

約数ペア:

[(1, 80642640), (2, 40321320), (3, 26880880), (4, 20160660), (5, 16128528), (6, 13440440), (8, 10080330), (10, 8064264), (12, 6720220), (13, 6203280), (15, 5376176), (16, 5040165), (20, 4032132), (24, 3360110), (26, 3101640), (30, 2688088), (39, 2067760), (40, 2016066), (48, 1680055), (52, 1550820), (60, 1344044), (65, 1240656), (78, 1033880), (80, 1008033), (104, 775410), (120, 672022), (130, 620328), (156, 516940), (195, 413552), (208, 387705), (240, 336011), (260, 310164), (312, 258470), (390, 206776), (520, 155082), (624, 129235), (780, 103388), (1040, 77541), (1560, 51694), (3120, 25847)]