11845120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 80

約数和(自身を含む): 32506848

約数和(自身を除く): 20661728

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, 512, 560, 640, 661, 896, 1120, 1280, 1322, 1792, 2240, 2560, 2644, 3305, 3584, 4480, 4627, 5288, 6610, 8960, 9254, 10576, 13220, 17920, 18508, 21152, 23135, 26440, 37016, 42304, 46270, 52880, 74032, 84608, 92540, 105760, 148064, 169216, 185080, 211520, 296128, 338432, 370160, 423040, 592256, 740320, 846080, 1184512, 1480640, 1692160, 2369024, 2961280, 5922560, 11845120]

約数ペア:

[(1, 11845120), (2, 5922560), (4, 2961280), (5, 2369024), (7, 1692160), (8, 1480640), (10, 1184512), (14, 846080), (16, 740320), (20, 592256), (28, 423040), (32, 370160), (35, 338432), (40, 296128), (56, 211520), (64, 185080), (70, 169216), (80, 148064), (112, 105760), (128, 92540), (140, 84608), (160, 74032), (224, 52880), (256, 46270), (280, 42304), (320, 37016), (448, 26440), (512, 23135), (560, 21152), (640, 18508), (661, 17920), (896, 13220), (1120, 10576), (1280, 9254), (1322, 8960), (1792, 6610), (2240, 5288), (2560, 4627), (2644, 4480), (3305, 3584)]