2961280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 8102880

約数和(自身を除く): 5141600

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, 280, 320, 448, 560, 640, 661, 896, 1120, 1322, 2240, 2644, 3305, 4480, 4627, 5288, 6610, 9254, 10576, 13220, 18508, 21152, 23135, 26440, 37016, 42304, 46270, 52880, 74032, 84608, 92540, 105760, 148064, 185080, 211520, 296128, 370160, 423040, 592256, 740320, 1480640, 2961280]

約数ペア:

[(1, 2961280), (2, 1480640), (4, 740320), (5, 592256), (7, 423040), (8, 370160), (10, 296128), (14, 211520), (16, 185080), (20, 148064), (28, 105760), (32, 92540), (35, 84608), (40, 74032), (56, 52880), (64, 46270), (70, 42304), (80, 37016), (112, 26440), (128, 23135), (140, 21152), (160, 18508), (224, 13220), (280, 10576), (320, 9254), (448, 6610), (560, 5288), (640, 4627), (661, 4480), (896, 3305), (1120, 2644), (1322, 2240)]