2020800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 84

約数和(自身を含む): 6645656

約数和(自身を除く): 4624856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 150, 160, 192, 200, 240, 300, 320, 400, 421, 480, 600, 800, 842, 960, 1200, 1263, 1600, 1684, 2105, 2400, 2526, 3368, 4210, 4800, 5052, 6315, 6736, 8420, 10104, 10525, 12630, 13472, 16840, 20208, 21050, 25260, 26944, 31575, 33680, 40416, 42100, 50520, 63150, 67360, 80832, 84200, 101040, 126300, 134720, 168400, 202080, 252600, 336800, 404160, 505200, 673600, 1010400, 2020800]

約数ペア:

[(1, 2020800), (2, 1010400), (3, 673600), (4, 505200), (5, 404160), (6, 336800), (8, 252600), (10, 202080), (12, 168400), (15, 134720), (16, 126300), (20, 101040), (24, 84200), (25, 80832), (30, 67360), (32, 63150), (40, 50520), (48, 42100), (50, 40416), (60, 33680), (64, 31575), (75, 26944), (80, 25260), (96, 21050), (100, 20208), (120, 16840), (150, 13472), (160, 12630), (192, 10525), (200, 10104), (240, 8420), (300, 6736), (320, 6315), (400, 5052), (421, 4800), (480, 4210), (600, 3368), (800, 2526), (842, 2400), (960, 2105), (1200, 1684), (1263, 1600)]