640083000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{213361}}^1$

素因数の和:213385

約数の個数: 64

約数和(自身を含む): 1997068320

約数和(自身を除く): 1356985320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 213361, 426722, 640083, 853444, 1066805, 1280166, 1706888, 2133610, 2560332, 3200415, 4267220, 5120664, 5334025, 6400830, 8534440, 10668050, 12801660, 16002075, 21336100, 25603320, 26670125, 32004150, 42672200, 53340250, 64008300, 80010375, 106680500, 128016600, 160020750, 213361000, 320041500, 640083000]

約数ペア:

[(1, 640083000), (2, 320041500), (3, 213361000), (4, 160020750), (5, 128016600), (6, 106680500), (8, 80010375), (10, 64008300), (12, 53340250), (15, 42672200), (20, 32004150), (24, 26670125), (25, 25603320), (30, 21336100), (40, 16002075), (50, 12801660), (60, 10668050), (75, 8534440), (100, 6400830), (120, 5334025), (125, 5120664), (150, 4267220), (200, 3200415), (250, 2560332), (300, 2133610), (375, 1706888), (500, 1280166), (600, 1066805), (750, 853444), (1000, 640083), (1500, 426722), (3000, 213361)]