201578720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{179981}}^1$

素因数の和:180003

約数の個数: 48

約数和(自身を含む): 544265568

約数和(自身を除く): 342686848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 179981, 359962, 719924, 899905, 1259867, 1439848, 1799810, 2519734, 2879696, 3599620, 5039468, 5759392, 6299335, 7199240, 10078936, 12598670, 14398480, 20157872, 25197340, 28796960, 40315744, 50394680, 100789360, 201578720]

約数ペア:

[(1, 201578720), (2, 100789360), (4, 50394680), (5, 40315744), (7, 28796960), (8, 25197340), (10, 20157872), (14, 14398480), (16, 12598670), (20, 10078936), (28, 7199240), (32, 6299335), (35, 5759392), (40, 5039468), (56, 3599620), (70, 2879696), (80, 2519734), (112, 1799810), (140, 1439848), (160, 1259867), (224, 899905), (280, 719924), (560, 359962), (1120, 179981)]