72564640

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1307}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 172059552

約数和(自身を除く): 99494912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1307, 1388, 1735, 2614, 2776, 3470, 5228, 5552, 6535, 6940, 10456, 11104, 13070, 13880, 20912, 26140, 27760, 41824, 52280, 55520, 104560, 209120, 453529, 907058, 1814116, 2267645, 3628232, 4535290, 7256464, 9070580, 14512928, 18141160, 36282320, 72564640]

約数ペア:

[(1, 72564640), (2, 36282320), (4, 18141160), (5, 14512928), (8, 9070580), (10, 7256464), (16, 4535290), (20, 3628232), (32, 2267645), (40, 1814116), (80, 907058), (160, 453529), (347, 209120), (694, 104560), (1307, 55520), (1388, 52280), (1735, 41824), (2614, 27760), (2776, 26140), (3470, 20912), (5228, 13880), (5552, 13070), (6535, 11104), (6940, 10456)]