15051820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{15359}}^1$

素因数の和:15382

約数の個数: 36

約数和(自身を含む): 36771840

約数和(自身を除く): 21720020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 15359, 30718, 61436, 76795, 107513, 153590, 215026, 307180, 430052, 537565, 752591, 1075130, 1505182, 2150260, 3010364, 3762955, 7525910, 15051820]

約数ペア:

[(1, 15051820), (2, 7525910), (4, 3762955), (5, 3010364), (7, 2150260), (10, 1505182), (14, 1075130), (20, 752591), (28, 537565), (35, 430052), (49, 307180), (70, 215026), (98, 153590), (140, 107513), (196, 76795), (245, 61436), (490, 30718), (980, 15359)]