164625440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{146987}}^1$

素因数の和:147009

約数の個数: 48

約数和(自身を含む): 444491712

約数和(自身を除く): 279866272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 146987, 293974, 587948, 734935, 1028909, 1175896, 1469870, 2057818, 2351792, 2939740, 4115636, 4703584, 5144545, 5879480, 8231272, 10289090, 11758960, 16462544, 20578180, 23517920, 32925088, 41156360, 82312720, 164625440]

約数ペア:

[(1, 164625440), (2, 82312720), (4, 41156360), (5, 32925088), (7, 23517920), (8, 20578180), (10, 16462544), (14, 11758960), (16, 10289090), (20, 8231272), (28, 5879480), (32, 5144545), (35, 4703584), (40, 4115636), (56, 2939740), (70, 2351792), (80, 2057818), (112, 1469870), (140, 1175896), (160, 1028909), (224, 734935), (280, 587948), (560, 293974), (1120, 146987)]