12978560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{2897}}^1$

素因数の和:2923

約数の個数: 64

約数和(自身を含む): 35471520

約数和(自身を除く): 22492960

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, 2897, 4480, 5794, 11588, 14485, 20279, 23176, 28970, 40558, 46352, 57940, 81116, 92704, 101395, 115880, 162232, 185408, 202790, 231760, 324464, 370816, 405580, 463520, 648928, 811160, 927040, 1297856, 1622320, 1854080, 2595712, 3244640, 6489280, 12978560]

約数ペア:

[(1, 12978560), (2, 6489280), (4, 3244640), (5, 2595712), (7, 1854080), (8, 1622320), (10, 1297856), (14, 927040), (16, 811160), (20, 648928), (28, 463520), (32, 405580), (35, 370816), (40, 324464), (56, 231760), (64, 202790), (70, 185408), (80, 162232), (112, 115880), (128, 101395), (140, 92704), (160, 81116), (224, 57940), (280, 46352), (320, 40558), (448, 28970), (560, 23176), (640, 20279), (896, 14485), (1120, 11588), (2240, 5794), (2897, 4480)]