72553880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{259121}}^1$

素因数の和:259139

約数の個数: 32

約数和(自身を含む): 186567840

約数和(自身を除く): 114013960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 259121, 518242, 1036484, 1295605, 1813847, 2072968, 2591210, 3627694, 5182420, 7255388, 9069235, 10364840, 14510776, 18138470, 36276940, 72553880]

約数ペア:

[(1, 72553880), (2, 36276940), (4, 18138470), (5, 14510776), (7, 10364840), (8, 9069235), (10, 7255388), (14, 5182420), (20, 3627694), (28, 2591210), (35, 2072968), (40, 1813847), (56, 1295605), (70, 1036484), (140, 518242), (280, 259121)]