77071960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 198964800

約数和(自身を除く): 121892840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 673, 818, 1346, 1636, 2045, 2692, 2863, 3272, 3365, 4090, 4711, 5384, 5726, 6730, 8180, 9422, 11452, 13460, 14315, 16360, 18844, 22904, 23555, 26920, 28630, 37688, 47110, 57260, 94220, 114520, 188440, 275257, 550514, 1101028, 1376285, 1926799, 2202056, 2752570, 3853598, 5505140, 7707196, 9633995, 11010280, 15414392, 19267990, 38535980, 77071960]

約数ペア:

[(1, 77071960), (2, 38535980), (4, 19267990), (5, 15414392), (7, 11010280), (8, 9633995), (10, 7707196), (14, 5505140), (20, 3853598), (28, 2752570), (35, 2202056), (40, 1926799), (56, 1376285), (70, 1101028), (140, 550514), (280, 275257), (409, 188440), (673, 114520), (818, 94220), (1346, 57260), (1636, 47110), (2045, 37688), (2692, 28630), (2863, 26920), (3272, 23555), (3365, 22904), (4090, 18844), (4711, 16360), (5384, 14315), (5726, 13460), (6730, 11452), (8180, 9422)]