87512240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 214272000

約数和(自身を除く): 126759760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 199, 230, 239, 368, 398, 460, 478, 796, 920, 956, 995, 1195, 1592, 1840, 1912, 1990, 2390, 3184, 3824, 3980, 4577, 4780, 5497, 7960, 9154, 9560, 10994, 15920, 18308, 19120, 21988, 22885, 27485, 36616, 43976, 45770, 47561, 54970, 73232, 87952, 91540, 95122, 109940, 183080, 190244, 219880, 237805, 366160, 380488, 439760, 475610, 760976, 951220, 1093903, 1902440, 2187806, 3804880, 4375612, 5469515, 8751224, 10939030, 17502448, 21878060, 43756120, 87512240]

約数ペア:

[(1, 87512240), (2, 43756120), (4, 21878060), (5, 17502448), (8, 10939030), (10, 8751224), (16, 5469515), (20, 4375612), (23, 3804880), (40, 2187806), (46, 1902440), (80, 1093903), (92, 951220), (115, 760976), (184, 475610), (199, 439760), (230, 380488), (239, 366160), (368, 237805), (398, 219880), (460, 190244), (478, 183080), (796, 109940), (920, 95122), (956, 91540), (995, 87952), (1195, 73232), (1592, 54970), (1840, 47561), (1912, 45770), (1990, 43976), (2390, 36616), (3184, 27485), (3824, 22885), (3980, 21988), (4577, 19120), (4780, 18308), (5497, 15920), (7960, 10994), (9154, 9560)]