77791360

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 187216920

約数和(自身を除く): 109425560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 617, 640, 788, 985, 1234, 1576, 1970, 2468, 3085, 3152, 3940, 4936, 6170, 6304, 7880, 9872, 12340, 12608, 15760, 19744, 24680, 25216, 31520, 39488, 49360, 63040, 78976, 98720, 121549, 126080, 197440, 243098, 394880, 486196, 607745, 972392, 1215490, 1944784, 2430980, 3889568, 4861960, 7779136, 9723920, 15558272, 19447840, 38895680, 77791360]

約数ペア:

[(1, 77791360), (2, 38895680), (4, 19447840), (5, 15558272), (8, 9723920), (10, 7779136), (16, 4861960), (20, 3889568), (32, 2430980), (40, 1944784), (64, 1215490), (80, 972392), (128, 607745), (160, 486196), (197, 394880), (320, 243098), (394, 197440), (617, 126080), (640, 121549), (788, 98720), (985, 78976), (1234, 63040), (1576, 49360), (1970, 39488), (2468, 31520), (3085, 25216), (3152, 24680), (3940, 19744), (4936, 15760), (6170, 12608), (6304, 12340), (7880, 9872)]