215561040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{898171}}^1$

素因数の和:898187

約数の個数: 40

約数和(自身を含む): 668239968

約数和(自身を除く): 452678928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 898171, 1796342, 2694513, 3592684, 4490855, 5389026, 7185368, 8981710, 10778052, 13472565, 14370736, 17963420, 21556104, 26945130, 35926840, 43112208, 53890260, 71853680, 107780520, 215561040]

約数ペア:

[(1, 215561040), (2, 107780520), (3, 71853680), (4, 53890260), (5, 43112208), (6, 35926840), (8, 26945130), (10, 21556104), (12, 17963420), (15, 14370736), (16, 13472565), (20, 10778052), (24, 8981710), (30, 7185368), (40, 5389026), (48, 4490855), (60, 3592684), (80, 2694513), (120, 1796342), (240, 898171)]