12494720

素因数分解:

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

素因数の和:2815

約数の個数: 64

約数和(自身を含む): 34149600

約数和(自身を除く): 21654880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 2789, 4480, 5578, 11156, 13945, 19523, 22312, 27890, 39046, 44624, 55780, 78092, 89248, 97615, 111560, 156184, 178496, 195230, 223120, 312368, 356992, 390460, 446240, 624736, 780920, 892480, 1249472, 1561840, 1784960, 2498944, 3123680, 6247360, 12494720]

約数ペア:

[(1, 12494720), (2, 6247360), (4, 3123680), (5, 2498944), (7, 1784960), (8, 1561840), (10, 1249472), (14, 892480), (16, 780920), (20, 624736), (28, 446240), (32, 390460), (35, 356992), (40, 312368), (56, 223120), (64, 195230), (70, 178496), (80, 156184), (112, 111560), (128, 97615), (140, 89248), (160, 78092), (224, 55780), (280, 44624), (320, 39046), (448, 27890), (560, 22312), (640, 19523), (896, 13945), (1120, 11156), (2240, 5578), (2789, 4480)]