155874320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278347}}^1$

素因数の和:278367

約数の個数: 40

約数和(自身を含む): 414181824

約数和(自身を除く): 258307504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278347, 556694, 1113388, 1391735, 1948429, 2226776, 2783470, 3896858, 4453552, 5566940, 7793716, 9742145, 11133880, 15587432, 19484290, 22267760, 31174864, 38968580, 77937160, 155874320]

約数ペア:

[(1, 155874320), (2, 77937160), (4, 38968580), (5, 31174864), (7, 22267760), (8, 19484290), (10, 15587432), (14, 11133880), (16, 9742145), (20, 7793716), (28, 5566940), (35, 4453552), (40, 3896858), (56, 2783470), (70, 2226776), (80, 1948429), (112, 1391735), (140, 1113388), (280, 556694), (560, 278347)]