12901280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11519}}^1$

素因数の和:11541

約数の個数: 48

約数和(自身を含む): 34836480

約数和(自身を除く): 21935200

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, 11519, 23038, 46076, 57595, 80633, 92152, 115190, 161266, 184304, 230380, 322532, 368608, 403165, 460760, 645064, 806330, 921520, 1290128, 1612660, 1843040, 2580256, 3225320, 6450640, 12901280]

約数ペア:

[(1, 12901280), (2, 6450640), (4, 3225320), (5, 2580256), (7, 1843040), (8, 1612660), (10, 1290128), (14, 921520), (16, 806330), (20, 645064), (28, 460760), (32, 403165), (35, 368608), (40, 322532), (56, 230380), (70, 184304), (80, 161266), (112, 115190), (140, 92152), (160, 80633), (224, 57595), (280, 46076), (560, 23038), (1120, 11519)]