165506320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{42221}}^1$

素因数の和:42248

約数の個数: 60

約数和(自身を含む): 447637644

約数和(自身を除く): 282131324

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 42221, 84442, 168884, 211105, 295547, 337768, 422210, 591094, 675536, 844420, 1182188, 1477735, 1688840, 2068829, 2364376, 2955470, 3377680, 4137658, 4728752, 5910940, 8275316, 10344145, 11821880, 16550632, 20688290, 23643760, 33101264, 41376580, 82753160, 165506320]

約数ペア:

[(1, 165506320), (2, 82753160), (4, 41376580), (5, 33101264), (7, 23643760), (8, 20688290), (10, 16550632), (14, 11821880), (16, 10344145), (20, 8275316), (28, 5910940), (35, 4728752), (40, 4137658), (49, 3377680), (56, 2955470), (70, 2364376), (80, 2068829), (98, 1688840), (112, 1477735), (140, 1182188), (196, 844420), (245, 675536), (280, 591094), (392, 422210), (490, 337768), (560, 295547), (784, 211105), (980, 168884), (1960, 84442), (3920, 42221)]