245982080

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1951}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 591338880

約数和(自身を除く): 345356800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1576, 1951, 1970, 3152, 3902, 3940, 6304, 7804, 7880, 9755, 12608, 15608, 15760, 19510, 25216, 31216, 31520, 39020, 62432, 63040, 78040, 124864, 126080, 156080, 249728, 312160, 384347, 624320, 768694, 1248640, 1537388, 1921735, 3074776, 3843470, 6149552, 7686940, 12299104, 15373880, 24598208, 30747760, 49196416, 61495520, 122991040, 245982080]

約数ペア:

[(1, 245982080), (2, 122991040), (4, 61495520), (5, 49196416), (8, 30747760), (10, 24598208), (16, 15373880), (20, 12299104), (32, 7686940), (40, 6149552), (64, 3843470), (80, 3074776), (128, 1921735), (160, 1537388), (197, 1248640), (320, 768694), (394, 624320), (640, 384347), (788, 312160), (985, 249728), (1576, 156080), (1951, 126080), (1970, 124864), (3152, 78040), (3902, 63040), (3940, 62432), (6304, 39020), (7804, 31520), (7880, 31216), (9755, 25216), (12608, 19510), (15608, 15760)]