77998680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72221}}^1$

素因数の和:72241

約数の個数: 64

約数和(自身を含む): 259999200

約数和(自身を除く): 182000520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72221, 144442, 216663, 288884, 361105, 433326, 577768, 649989, 722210, 866652, 1083315, 1299978, 1444420, 1733304, 1949967, 2166630, 2599956, 2888840, 3249945, 3899934, 4333260, 5199912, 6499890, 7799868, 8666520, 9749835, 12999780, 15599736, 19499670, 25999560, 38999340, 77998680]

約数ペア:

[(1, 77998680), (2, 38999340), (3, 25999560), (4, 19499670), (5, 15599736), (6, 12999780), (8, 9749835), (9, 8666520), (10, 7799868), (12, 6499890), (15, 5199912), (18, 4333260), (20, 3899934), (24, 3249945), (27, 2888840), (30, 2599956), (36, 2166630), (40, 1949967), (45, 1733304), (54, 1444420), (60, 1299978), (72, 1083315), (90, 866652), (108, 722210), (120, 649989), (135, 577768), (180, 433326), (216, 361105), (270, 288884), (360, 216663), (540, 144442), (1080, 72221)]