78810840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72973}}^1$

素因数の和:72993

約数の個数: 64

約数和(自身を含む): 262706400

約数和(自身を除く): 183895560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72973, 145946, 218919, 291892, 364865, 437838, 583784, 656757, 729730, 875676, 1094595, 1313514, 1459460, 1751352, 1970271, 2189190, 2627028, 2918920, 3283785, 3940542, 4378380, 5254056, 6567570, 7881084, 8756760, 9851355, 13135140, 15762168, 19702710, 26270280, 39405420, 78810840]

約数ペア:

[(1, 78810840), (2, 39405420), (3, 26270280), (4, 19702710), (5, 15762168), (6, 13135140), (8, 9851355), (9, 8756760), (10, 7881084), (12, 6567570), (15, 5254056), (18, 4378380), (20, 3940542), (24, 3283785), (27, 2918920), (30, 2627028), (36, 2189190), (40, 1970271), (45, 1751352), (54, 1459460), (60, 1313514), (72, 1094595), (90, 875676), (108, 729730), (120, 656757), (135, 583784), (180, 437838), (216, 364865), (270, 291892), (360, 218919), (540, 145946), (1080, 72973)]