1990403760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8293349}}^1$

素因数の和:8293365

約数の個数: 40

約数和(自身を含む): 6170252400

約数和(自身を除く): 4179848640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8293349, 16586698, 24880047, 33173396, 41466745, 49760094, 66346792, 82933490, 99520188, 124400235, 132693584, 165866980, 199040376, 248800470, 331733960, 398080752, 497600940, 663467920, 995201880, 1990403760]

約数ペア:

[(1, 1990403760), (2, 995201880), (3, 663467920), (4, 497600940), (5, 398080752), (6, 331733960), (8, 248800470), (10, 199040376), (12, 165866980), (15, 132693584), (16, 124400235), (20, 99520188), (24, 82933490), (30, 66346792), (40, 49760094), (48, 41466745), (60, 33173396), (80, 24880047), (120, 16586698), (240, 8293349)]