3123680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2789}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 8436960

約数和(自身を除く): 5313280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2789, 5578, 11156, 13945, 19523, 22312, 27890, 39046, 44624, 55780, 78092, 89248, 97615, 111560, 156184, 195230, 223120, 312368, 390460, 446240, 624736, 780920, 1561840, 3123680]

約数ペア:

[(1, 3123680), (2, 1561840), (4, 780920), (5, 624736), (7, 446240), (8, 390460), (10, 312368), (14, 223120), (16, 195230), (20, 156184), (28, 111560), (32, 97615), (35, 89248), (40, 78092), (56, 55780), (70, 44624), (80, 39046), (112, 27890), (140, 22312), (160, 19523), (224, 13945), (280, 11156), (560, 5578), (1120, 2789)]