726755960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{13043}}^1$

素因数の和:13260

約数の個数: 64

約数和(自身を含む): 1878336000

約数和(自身を除く): 1151580040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13043, 13930, 26086, 27860, 52172, 55720, 65215, 91301, 104344, 130430, 182602, 260860, 365204, 456505, 521720, 730408, 913010, 1826020, 2595557, 3652040, 5191114, 10382228, 12977785, 18168899, 20764456, 25955570, 36337798, 51911140, 72675596, 90844495, 103822280, 145351192, 181688990, 363377980, 726755960]

約数ペア:

[(1, 726755960), (2, 363377980), (4, 181688990), (5, 145351192), (7, 103822280), (8, 90844495), (10, 72675596), (14, 51911140), (20, 36337798), (28, 25955570), (35, 20764456), (40, 18168899), (56, 12977785), (70, 10382228), (140, 5191114), (199, 3652040), (280, 2595557), (398, 1826020), (796, 913010), (995, 730408), (1393, 521720), (1592, 456505), (1990, 365204), (2786, 260860), (3980, 182602), (5572, 130430), (6965, 104344), (7960, 91301), (11144, 65215), (13043, 55720), (13930, 52172), (26086, 27860)]