72736840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165311}}^1$

素因数の和:165333

約数の個数: 32

約数和(自身を含む): 178536960

約数和(自身を除く): 105800120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165311, 330622, 661244, 826555, 1322488, 1653110, 1818421, 3306220, 3636842, 6612440, 7273684, 9092105, 14547368, 18184210, 36368420, 72736840]

約数ペア:

[(1, 72736840), (2, 36368420), (4, 18184210), (5, 14547368), (8, 9092105), (10, 7273684), (11, 6612440), (20, 3636842), (22, 3306220), (40, 1818421), (44, 1653110), (55, 1322488), (88, 826555), (110, 661244), (220, 330622), (440, 165311)]