19884000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{1657}}^1$

素因数の和:1685

約数の個数: 96

約数和(自身を含む): 65179296

約数和(自身を除く): 45295296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 1657, 2000, 2400, 3000, 3314, 4000, 4971, 6000, 6628, 8285, 9942, 12000, 13256, 16570, 19884, 24855, 26512, 33140, 39768, 41425, 49710, 53024, 66280, 79536, 82850, 99420, 124275, 132560, 159072, 165700, 198840, 207125, 248550, 265120, 331400, 397680, 414250, 497100, 621375, 662800, 795360, 828500, 994200, 1242750, 1325600, 1657000, 1988400, 2485500, 3314000, 3976800, 4971000, 6628000, 9942000, 19884000]

約数ペア:

[(1, 19884000), (2, 9942000), (3, 6628000), (4, 4971000), (5, 3976800), (6, 3314000), (8, 2485500), (10, 1988400), (12, 1657000), (15, 1325600), (16, 1242750), (20, 994200), (24, 828500), (25, 795360), (30, 662800), (32, 621375), (40, 497100), (48, 414250), (50, 397680), (60, 331400), (75, 265120), (80, 248550), (96, 207125), (100, 198840), (120, 165700), (125, 159072), (150, 132560), (160, 124275), (200, 99420), (240, 82850), (250, 79536), (300, 66280), (375, 53024), (400, 49710), (480, 41425), (500, 39768), (600, 33140), (750, 26512), (800, 24855), (1000, 19884), (1200, 16570), (1500, 13256), (1657, 12000), (2000, 9942), (2400, 8285), (3000, 6628), (3314, 6000), (4000, 4971)]