1279905420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{11047}}^1$

素因数の和:12990

約数の個数: 48

約数和(自身を含む): 3585915648

約数和(自身を除く): 2306010228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1931, 3862, 5793, 7724, 9655, 11047, 11586, 19310, 22094, 23172, 28965, 33141, 38620, 44188, 55235, 57930, 66282, 110470, 115860, 132564, 165705, 220940, 331410, 662820, 21331757, 42663514, 63995271, 85327028, 106658785, 127990542, 213317570, 255981084, 319976355, 426635140, 639952710, 1279905420]

約数ペア:

[(1, 1279905420), (2, 639952710), (3, 426635140), (4, 319976355), (5, 255981084), (6, 213317570), (10, 127990542), (12, 106658785), (15, 85327028), (20, 63995271), (30, 42663514), (60, 21331757), (1931, 662820), (3862, 331410), (5793, 220940), (7724, 165705), (9655, 132564), (11047, 115860), (11586, 110470), (19310, 66282), (22094, 57930), (23172, 55235), (28965, 44188), (33141, 38620)]