207915960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247519}}^1$

素因数の和:247540

約数の個数: 64

約数和(自身を含む): 712857600

約数和(自身を除く): 504941640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247519, 495038, 742557, 990076, 1237595, 1485114, 1732633, 1980152, 2475190, 2970228, 3465266, 3712785, 4950380, 5197899, 5940456, 6930532, 7425570, 8663165, 9900760, 10395798, 13861064, 14851140, 17326330, 20791596, 25989495, 29702280, 34652660, 41583192, 51978990, 69305320, 103957980, 207915960]

約数ペア:

[(1, 207915960), (2, 103957980), (3, 69305320), (4, 51978990), (5, 41583192), (6, 34652660), (7, 29702280), (8, 25989495), (10, 20791596), (12, 17326330), (14, 14851140), (15, 13861064), (20, 10395798), (21, 9900760), (24, 8663165), (28, 7425570), (30, 6930532), (35, 5940456), (40, 5197899), (42, 4950380), (56, 3712785), (60, 3465266), (70, 2970228), (84, 2475190), (105, 1980152), (120, 1732633), (140, 1485114), (168, 1237595), (210, 990076), (280, 742557), (420, 495038), (840, 247519)]