81636012

素因数分解:

$2^2\times 3^4\times {\mathrm{197}}^1\times {\mathrm{1279}}^1$

素因数の和:1492

約数の個数: 60

約数和(自身を含む): 214663680

約数和(自身を除く): 133027668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 197, 324, 394, 591, 788, 1182, 1279, 1773, 2364, 2558, 3546, 3837, 5116, 5319, 7092, 7674, 10638, 11511, 15348, 15957, 21276, 23022, 31914, 34533, 46044, 63828, 69066, 103599, 138132, 207198, 251963, 414396, 503926, 755889, 1007852, 1511778, 2267667, 3023556, 4535334, 6803001, 9070668, 13606002, 20409003, 27212004, 40818006, 81636012]

約数ペア:

[(1, 81636012), (2, 40818006), (3, 27212004), (4, 20409003), (6, 13606002), (9, 9070668), (12, 6803001), (18, 4535334), (27, 3023556), (36, 2267667), (54, 1511778), (81, 1007852), (108, 755889), (162, 503926), (197, 414396), (324, 251963), (394, 207198), (591, 138132), (788, 103599), (1182, 69066), (1279, 63828), (1773, 46044), (2364, 34533), (2558, 31914), (3546, 23022), (3837, 21276), (5116, 15957), (5319, 15348), (7092, 11511), (7674, 10638)]