661063440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2754431}}^1$

素因数の和:2754447

約数の個数: 40

約数和(自身を含む): 2049297408

約数和(自身を除く): 1388233968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2754431, 5508862, 8263293, 11017724, 13772155, 16526586, 22035448, 27544310, 33053172, 41316465, 44070896, 55088620, 66106344, 82632930, 110177240, 132212688, 165265860, 220354480, 330531720, 661063440]

約数ペア:

[(1, 661063440), (2, 330531720), (3, 220354480), (4, 165265860), (5, 132212688), (6, 110177240), (8, 82632930), (10, 66106344), (12, 55088620), (15, 44070896), (16, 41316465), (20, 33053172), (24, 27544310), (30, 22035448), (40, 16526586), (48, 13772155), (60, 11017724), (80, 8263293), (120, 5508862), (240, 2754431)]