11520880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2939}}^1$

素因数の和:2966

約数の個数: 60

約数和(自身を含む): 31169880

約数和(自身を除く): 19649000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2939, 3920, 5878, 11756, 14695, 20573, 23512, 29390, 41146, 47024, 58780, 82292, 102865, 117560, 144011, 164584, 205730, 235120, 288022, 329168, 411460, 576044, 720055, 822920, 1152088, 1440110, 1645840, 2304176, 2880220, 5760440, 11520880]

約数ペア:

[(1, 11520880), (2, 5760440), (4, 2880220), (5, 2304176), (7, 1645840), (8, 1440110), (10, 1152088), (14, 822920), (16, 720055), (20, 576044), (28, 411460), (35, 329168), (40, 288022), (49, 235120), (56, 205730), (70, 164584), (80, 144011), (98, 117560), (112, 102865), (140, 82292), (196, 58780), (245, 47024), (280, 41146), (392, 29390), (490, 23512), (560, 20573), (784, 14695), (980, 11756), (1960, 5878), (2939, 3920)]