1656690920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{9049}}^1$

素因数の和:9282

約数の個数: 64

約数和(自身を含む): 3909600000

約数和(自身を除く): 2252909080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 230, 398, 460, 796, 920, 995, 1592, 1990, 3980, 4577, 7960, 9049, 9154, 18098, 18308, 22885, 36196, 36616, 45245, 45770, 72392, 90490, 91540, 180980, 183080, 208127, 361960, 416254, 832508, 1040635, 1665016, 1800751, 2081270, 3601502, 4162540, 7203004, 8325080, 9003755, 14406008, 18007510, 36015020, 41417273, 72030040, 82834546, 165669092, 207086365, 331338184, 414172730, 828345460, 1656690920]

約数ペア:

[(1, 1656690920), (2, 828345460), (4, 414172730), (5, 331338184), (8, 207086365), (10, 165669092), (20, 82834546), (23, 72030040), (40, 41417273), (46, 36015020), (92, 18007510), (115, 14406008), (184, 9003755), (199, 8325080), (230, 7203004), (398, 4162540), (460, 3601502), (796, 2081270), (920, 1800751), (995, 1665016), (1592, 1040635), (1990, 832508), (3980, 416254), (4577, 361960), (7960, 208127), (9049, 183080), (9154, 180980), (18098, 91540), (18308, 90490), (22885, 72392), (36196, 45770), (36616, 45245)]