15780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 120

約数和(自身を含む): 51958368

約数和(自身を除く): 36178368

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, 263, 300, 375, 400, 480, 500, 526, 600, 625, 750, 789, 800, 1000, 1052, 1200, 1250, 1315, 1500, 1578, 1875, 2000, 2104, 2400, 2500, 2630, 3000, 3156, 3750, 3945, 4000, 4208, 5000, 5260, 6000, 6312, 6575, 7500, 7890, 8416, 10000, 10520, 12000, 12624, 13150, 15000, 15780, 19725, 20000, 21040, 25248, 26300, 30000, 31560, 32875, 39450, 42080, 52600, 60000, 63120, 65750, 78900, 98625, 105200, 126240, 131500, 157800, 164375, 197250, 210400, 263000, 315600, 328750, 394500, 493125, 526000, 631200, 657500, 789000, 986250, 1052000, 1315000, 1578000, 1972500, 2630000, 3156000, 3945000, 5260000, 7890000, 15780000]

約数ペア:

[(1, 15780000), (2, 7890000), (3, 5260000), (4, 3945000), (5, 3156000), (6, 2630000), (8, 1972500), (10, 1578000), (12, 1315000), (15, 1052000), (16, 986250), (20, 789000), (24, 657500), (25, 631200), (30, 526000), (32, 493125), (40, 394500), (48, 328750), (50, 315600), (60, 263000), (75, 210400), (80, 197250), (96, 164375), (100, 157800), (120, 131500), (125, 126240), (150, 105200), (160, 98625), (200, 78900), (240, 65750), (250, 63120), (263, 60000), (300, 52600), (375, 42080), (400, 39450), (480, 32875), (500, 31560), (526, 30000), (600, 26300), (625, 25248), (750, 21040), (789, 20000), (800, 19725), (1000, 15780), (1052, 15000), (1200, 13150), (1250, 12624), (1315, 12000), (1500, 10520), (1578, 10000), (1875, 8416), (2000, 7890), (2104, 7500), (2400, 6575), (2500, 6312), (2630, 6000), (3000, 5260), (3156, 5000), (3750, 4208), (3945, 4000)]