55611780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132409}}^1$

素因数の和:132428

約数の個数: 48

約数和(自身を含む): 177959040

約数和(自身を除く): 122347260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 132409, 264818, 397227, 529636, 662045, 794454, 926863, 1324090, 1588908, 1853726, 1986135, 2648180, 2780589, 3707452, 3972270, 4634315, 5561178, 7944540, 9268630, 11122356, 13902945, 18537260, 27805890, 55611780]

約数ペア:

[(1, 55611780), (2, 27805890), (3, 18537260), (4, 13902945), (5, 11122356), (6, 9268630), (7, 7944540), (10, 5561178), (12, 4634315), (14, 3972270), (15, 3707452), (20, 2780589), (21, 2648180), (28, 1986135), (30, 1853726), (35, 1588908), (42, 1324090), (60, 926863), (70, 794454), (84, 662045), (105, 529636), (140, 397227), (210, 264818), (420, 132409)]