1616640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{421}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 5175408

約数和(自身を除く): 3558768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 421, 480, 640, 768, 842, 960, 1263, 1280, 1684, 1920, 2105, 2526, 3368, 3840, 4210, 5052, 6315, 6736, 8420, 10104, 12630, 13472, 16840, 20208, 25260, 26944, 33680, 40416, 50520, 53888, 67360, 80832, 101040, 107776, 134720, 161664, 202080, 269440, 323328, 404160, 538880, 808320, 1616640]

約数ペア:

[(1, 1616640), (2, 808320), (3, 538880), (4, 404160), (5, 323328), (6, 269440), (8, 202080), (10, 161664), (12, 134720), (15, 107776), (16, 101040), (20, 80832), (24, 67360), (30, 53888), (32, 50520), (40, 40416), (48, 33680), (60, 26944), (64, 25260), (80, 20208), (96, 16840), (120, 13472), (128, 12630), (160, 10104), (192, 8420), (240, 6736), (256, 6315), (320, 5052), (384, 4210), (421, 3840), (480, 3368), (640, 2526), (768, 2105), (842, 1920), (960, 1684), (1263, 1280)]