15613220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 37712640

約数和(自身を除く): 22099420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 487, 916, 974, 1145, 1603, 1948, 2290, 2435, 3206, 3409, 4580, 4870, 6412, 6818, 8015, 9740, 13636, 16030, 17045, 32060, 34090, 68180, 111523, 223046, 446092, 557615, 780661, 1115230, 1561322, 2230460, 3122644, 3903305, 7806610, 15613220]

約数ペア:

[(1, 15613220), (2, 7806610), (4, 3903305), (5, 3122644), (7, 2230460), (10, 1561322), (14, 1115230), (20, 780661), (28, 557615), (35, 446092), (70, 223046), (140, 111523), (229, 68180), (458, 34090), (487, 32060), (916, 17045), (974, 16030), (1145, 13636), (1603, 9740), (1948, 8015), (2290, 6818), (2435, 6412), (3206, 4870), (3409, 4580)]