17982160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 48318336

約数和(自身を除く): 30336176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 197, 280, 326, 394, 560, 652, 788, 815, 985, 1141, 1304, 1379, 1576, 1630, 1970, 2282, 2608, 2758, 3152, 3260, 3940, 4564, 5516, 5705, 6520, 6895, 7880, 9128, 11032, 11410, 13040, 13790, 15760, 18256, 22064, 22820, 27580, 32111, 45640, 55160, 64222, 91280, 110320, 128444, 160555, 224777, 256888, 321110, 449554, 513776, 642220, 899108, 1123885, 1284440, 1798216, 2247770, 2568880, 3596432, 4495540, 8991080, 17982160]

約数ペア:

[(1, 17982160), (2, 8991080), (4, 4495540), (5, 3596432), (7, 2568880), (8, 2247770), (10, 1798216), (14, 1284440), (16, 1123885), (20, 899108), (28, 642220), (35, 513776), (40, 449554), (56, 321110), (70, 256888), (80, 224777), (112, 160555), (140, 128444), (163, 110320), (197, 91280), (280, 64222), (326, 55160), (394, 45640), (560, 32111), (652, 27580), (788, 22820), (815, 22064), (985, 18256), (1141, 15760), (1304, 13790), (1379, 13040), (1576, 11410), (1630, 11032), (1970, 9128), (2282, 7880), (2608, 6895), (2758, 6520), (3152, 5705), (3260, 5516), (3940, 4564)]