87550120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312679}}^1$

素因数の和:312697

約数の個数: 32

約数和(自身を含む): 225129600

約数和(自身を除く): 137579480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312679, 625358, 1250716, 1563395, 2188753, 2501432, 3126790, 4377506, 6253580, 8755012, 10943765, 12507160, 17510024, 21887530, 43775060, 87550120]

約数ペア:

[(1, 87550120), (2, 43775060), (4, 21887530), (5, 17510024), (7, 12507160), (8, 10943765), (10, 8755012), (14, 6253580), (20, 4377506), (28, 3126790), (35, 2501432), (40, 2188753), (56, 1563395), (70, 1250716), (140, 625358), (280, 312679)]