164872960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18401}}^1$

素因数の和:18429

約数の個数: 72

約数和(自身を含む): 451364256

約数和(自身を除く): 286491296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18401, 36802, 73604, 92005, 128807, 147208, 184010, 257614, 294416, 368020, 515228, 588832, 644035, 736040, 1030456, 1177664, 1288070, 1472080, 2060912, 2355328, 2576140, 2944160, 4121824, 4710656, 5152280, 5888320, 8243648, 10304560, 11776640, 16487296, 20609120, 23553280, 32974592, 41218240, 82436480, 164872960]

約数ペア:

[(1, 164872960), (2, 82436480), (4, 41218240), (5, 32974592), (7, 23553280), (8, 20609120), (10, 16487296), (14, 11776640), (16, 10304560), (20, 8243648), (28, 5888320), (32, 5152280), (35, 4710656), (40, 4121824), (56, 2944160), (64, 2576140), (70, 2355328), (80, 2060912), (112, 1472080), (128, 1288070), (140, 1177664), (160, 1030456), (224, 736040), (256, 644035), (280, 588832), (320, 515228), (448, 368020), (560, 294416), (640, 257614), (896, 184010), (1120, 147208), (1280, 128807), (1792, 92005), (2240, 73604), (4480, 36802), (8960, 18401)]