72711560

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6469}}^1$

素因数の和:6761

約数の個数: 32

約数和(自身を含む): 164208600

約数和(自身を除く): 91497040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6469, 11240, 12938, 25876, 32345, 51752, 64690, 129380, 258760, 1817789, 3635578, 7271156, 9088945, 14542312, 18177890, 36355780, 72711560]

約数ペア:

[(1, 72711560), (2, 36355780), (4, 18177890), (5, 14542312), (8, 9088945), (10, 7271156), (20, 3635578), (40, 1817789), (281, 258760), (562, 129380), (1124, 64690), (1405, 51752), (2248, 32345), (2810, 25876), (5620, 12938), (6469, 11240)]