158908960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20269}}^1$

素因数の和:20298

約数の個数: 72

約数和(自身を含む): 436737420

約数和(自身を除く): 277828460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20269, 40538, 81076, 101345, 141883, 162152, 202690, 283766, 324304, 405380, 567532, 648608, 709415, 810760, 993181, 1135064, 1418830, 1621520, 1986362, 2270128, 2837660, 3243040, 3972724, 4540256, 4965905, 5675320, 7945448, 9931810, 11350640, 15890896, 19863620, 22701280, 31781792, 39727240, 79454480, 158908960]

約数ペア:

[(1, 158908960), (2, 79454480), (4, 39727240), (5, 31781792), (7, 22701280), (8, 19863620), (10, 15890896), (14, 11350640), (16, 9931810), (20, 7945448), (28, 5675320), (32, 4965905), (35, 4540256), (40, 3972724), (49, 3243040), (56, 2837660), (70, 2270128), (80, 1986362), (98, 1621520), (112, 1418830), (140, 1135064), (160, 993181), (196, 810760), (224, 709415), (245, 648608), (280, 567532), (392, 405380), (490, 324304), (560, 283766), (784, 202690), (980, 162152), (1120, 141883), (1568, 101345), (1960, 81076), (3920, 40538), (7840, 20269)]