854024720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 2040107520

約数和(自身を除く): 1186082800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 409, 430, 607, 688, 818, 860, 1214, 1636, 1720, 2045, 2428, 3035, 3272, 3440, 4090, 4856, 6070, 6544, 8180, 9712, 12140, 16360, 17587, 24280, 26101, 32720, 35174, 48560, 52202, 70348, 87935, 104404, 130505, 140696, 175870, 208808, 248263, 261010, 281392, 351740, 417616, 496526, 522020, 703480, 993052, 1044040, 1241315, 1406960, 1986104, 2088080, 2482630, 3972208, 4965260, 9930520, 10675309, 19861040, 21350618, 42701236, 53376545, 85402472, 106753090, 170804944, 213506180, 427012360, 854024720]

約数ペア:

[(1, 854024720), (2, 427012360), (4, 213506180), (5, 170804944), (8, 106753090), (10, 85402472), (16, 53376545), (20, 42701236), (40, 21350618), (43, 19861040), (80, 10675309), (86, 9930520), (172, 4965260), (215, 3972208), (344, 2482630), (409, 2088080), (430, 1986104), (607, 1406960), (688, 1241315), (818, 1044040), (860, 993052), (1214, 703480), (1636, 522020), (1720, 496526), (2045, 417616), (2428, 351740), (3035, 281392), (3272, 261010), (3440, 248263), (4090, 208808), (4856, 175870), (6070, 140696), (6544, 130505), (8180, 104404), (9712, 87935), (12140, 70348), (16360, 52202), (17587, 48560), (24280, 35174), (26101, 32720)]