164808560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{42043}}^1$

素因数の和:42070

約数の個数: 60

約数和(自身を含む): 445750488

約数和(自身を除く): 280941928

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, 42043, 84086, 168172, 210215, 294301, 336344, 420430, 588602, 672688, 840860, 1177204, 1471505, 1681720, 2060107, 2354408, 2943010, 3363440, 4120214, 4708816, 5886020, 8240428, 10300535, 11772040, 16480856, 20601070, 23544080, 32961712, 41202140, 82404280, 164808560]

約数ペア:

[(1, 164808560), (2, 82404280), (4, 41202140), (5, 32961712), (7, 23544080), (8, 20601070), (10, 16480856), (14, 11772040), (16, 10300535), (20, 8240428), (28, 5886020), (35, 4708816), (40, 4120214), (49, 3363440), (56, 2943010), (70, 2354408), (80, 2060107), (98, 1681720), (112, 1471505), (140, 1177204), (196, 840860), (245, 672688), (280, 588602), (392, 420430), (490, 336344), (560, 294301), (784, 210215), (980, 168172), (1960, 84086), (3920, 42043)]