18387523840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2052179}}^1$

素因数の和:2052207

約数の個数: 72

約数和(自身を含む): 50335871040

約数和(自身を除く): 31948347200

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, 2052179, 4104358, 8208716, 10260895, 14365253, 16417432, 20521790, 28730506, 32834864, 41043580, 57461012, 65669728, 71826265, 82087160, 114922024, 131339456, 143652530, 164174320, 229844048, 262678912, 287305060, 328348640, 459688096, 525357824, 574610120, 656697280, 919376192, 1149220240, 1313394560, 1838752384, 2298440480, 2626789120, 3677504768, 4596880960, 9193761920, 18387523840]

約数ペア:

[(1, 18387523840), (2, 9193761920), (4, 4596880960), (5, 3677504768), (7, 2626789120), (8, 2298440480), (10, 1838752384), (14, 1313394560), (16, 1149220240), (20, 919376192), (28, 656697280), (32, 574610120), (35, 525357824), (40, 459688096), (56, 328348640), (64, 287305060), (70, 262678912), (80, 229844048), (112, 164174320), (128, 143652530), (140, 131339456), (160, 114922024), (224, 82087160), (256, 71826265), (280, 65669728), (320, 57461012), (448, 41043580), (560, 32834864), (640, 28730506), (896, 20521790), (1120, 16417432), (1280, 14365253), (1792, 10260895), (2240, 8208716), (4480, 4104358), (8960, 2052179)]